- Spencer Grammer - Summer Smith (voice)
- Spencer Grammer - Dream Summer (voice)
- Spencer Grammer - Glenn's Wife (voice)
- Justin Roiland - Rick Sanchez / Morty Smith (voice)
- Justin Roiland - Mr. Poopybutthole (voice)
- Justin Roiland - Mr. Meeseeks (voice)
- Justin Roiland - Dream Aliens (voice)
- Justin Roiland - Cromulons (voice)
- Justin Roiland - Blips & Chitz Annoncer (voice)
- Justin Roiland - Albert Einstein (voice)
- Justin Roiland - Fake Door Salesman / Two Brothers Movie Announcer / Tophat Jones / Ants in my Eyes Johnson / Glenn / Gazorpazorpfield / Baby Legs (voice)
- Justin Roiland - Lumberjack (voice)
- Justin Roiland - Evil Rick / Evil Morty / Doofus Rick / Council of Ricks / Additional Voices (voice)
- Justin Roiland - Greebybobe / Green Alien / Blob Alien (voice)
- Dana Carvey - Leonard Smith (voice)
- John Oliver - Dr. Xenon Bloom (voice)
- Werner Herzog - Shrimply Pibbles (voice)
- Stephen Colbert - Zeep Xanflorp (Voice)
- Nathan Fillion - Cornvelious Daniel (voice)
- Danny Trejo - Jaguar (voice)
- Christian Slater - Maximus Renegade Star Soldier (voice)
- Logic - Logic (voice)
- Jordan Peele - Second Fourth-Dimensional Being (voice)
- Nathan Fielder - Kyle (voice)
- Tony Hale - Death Stalker Eli (voice)
- Melique Berger - Mrs. Pancakes / Scary Melissa / Anchorwoman (voice)
- Melique Berger - Jacqueline / Mrs. Pancakes (voice)
- Joel McHale - Hemorrhage (voice)
- Laura Bailey - Eli's Girlfriend (voice)
- Gillian Jacobs - Supernova (voice)
- Lance Reddick - Alan Rails (voice)
- Thomas Middleditch - Tommy Lipnip (voice)
- Jennifer Hale - Keara (voice)
- Jemaine Clement - Fart (voice)
- Jackie Buscarino - Criminal 1 (voice)
- Jackie Buscarino - Annie / Train Announcement (voice)
- Andy Daly - Krombopulos Michael (voice)
- Christina Hendricks - Unity (voice)
- Patton Oswalt - Beta 7 (voice)
- Jess Harnell - Ruben Ridley / Roger (voice)
- Jess Harnell - Greebybobe (voice)
- Jess Harnell - Scary Terry / Dog Soldier 2 (voice)
- Matt Walsh - Sleepy Gary (voice)
- A. Smith Harrison - Narrator (voice)
- David Cross - Prince Nebulon / Radio Voice (voice)
- Steve Agee - Giant / Restaurant Owner (voice)
- Vatche Panos - Slippery Stair (voice)
- Cree Summer - Giant Woman (voice)
- Reagan Gomez-Preston - Jessica's Friend / Pregnant Girl on TV / Pregnant Girl on TV's Friend (voice)
- Sarah Clarke - Gazorpian (voice)
- Richard Christy - Zardoz Head / Teenager Morty Jr. (voice)
- Virginia Hey - Gazorpian (voice)
- Jeff Bergman - Insurance Salesman / David Letterman (voice)
- Adam Ray - Johnny / Wife Beater (voice)
- Clancy Brown - Vengeful Train Passenger (voice)
- Clancy Brown - Risotto Groupon (voice)
- Alfred Molina - The Devil (voice)
- Rich Fulcher - King Flippy Nips (voice)
- Rob Paulsen - Quick Mystery Judge / Regular Legs (voice)
- Rob Paulsen - Assimilated Alien 3 (voice)
- Rob Paulsen - Additional Voices (voice)
- Rob Paulsen - Snuffles / Centaur / Dog Soldier 1 (voice)
- Rob Paulsen - Peasant 1 / Good Cop / Giant Judge (voice)
- Alejandra Gollas - Lucy (voice)
- Jay Johnston - Coldstone Creamery Employee (voice)
- Jill Talley - Veterinarian (voice)
- Paul F. Tompkins - Lawyer (voice)
- Ryan Elder - Sports Announcer (voice)
- John Kassir - Blim Blam (voice)
- Kevin Michael Richardson - Frankenstein / Hamurai / Mrs. Refrigerator (voice)
- Will Jennings - Hunter (voice)
- Will Jennings - Child Morty Jr. (voice)
- Will Jennings - Child Roy (voice)
- Jevin Smith - Rapper (voice)
- Kurtwood Smith - General Nathan (voice)
- Dan Benson - Ethan (voice)
- Michael McCafferty - Microverse Mayor (voice)
- Keegan-Michael Key - Fourth-Dimensional Being (voice)
- Paul Giamatti - Storylord (voice)
- Christopher Meloni - Jesus Christ (voice)
- Taika Waititi - Glootie (voice)
- Matthew Broderick - Talking Cat (voice)
- Susan Sarandon - Dr. Helen Wong (voice)
- Liam Cunningham - Balthromar (voice)
- Scott Chernoff - Gear Head (voice)
- Scott Chernoff - Gearhead (voice)
- Scott Chernoff - Plutonian Chat Show Host 2 / Teenager Employee (voice)
- Claudia Black - Ventriloquiver (voice)
- Claudia Black - Ma-Sha (voice)
- Chelsea Kane - Arthricia (voice)
- James Atkinson - Additional Voices (voice)
- Ryan Ridley - Additional Voices (voice)
- Ryan Ridley - (voice)
- Ryan Ridley - Giant Lawyer / Peasant 2 (voice)
- Ryan Ridley - Lighthouse Chief (voice)
- Ryan Ridley - Alien / Student 1 (voice)
- Ryan Ridley - Roy's Doctor (voice)
- Ryan Ridley - Head Vampire (voice)
- Ryan Ridley - Slave Owner (voice)
- Ryan Ridley - Frank Palicky / Tom (voice)
- Ryan Ridley - Concerto (voice)
- Ryan Ridley - Alien Waiter / Assassin / Customs Alien / Call Centre Alien #2 (voice)
- Ryan Ridley - Amortycan Grickfitti (voice)
- Ryan Ridley - Chuxley (voice)
- Ryan Ridley - Cousin Nicky (voice)
- Ryan Ridley - Trunkman / Bachelor (voice)
- Ryan Ridley - Pizza 2 / Phone 2 / Chair 2 / Chair Waiter (voice)
- Gary Cole - Alien Doctor (voice)
- Tara Strong - Stacy (voice)
- Tara Strong - Tinkles / Doctor (voice)
- Tara Strong - Additional Voices (voice)
- Tara Strong - Female Disguise / Story Train Computer (voice)
- Tara Strong - Presidentress (voice)
- Matt Besser - Alien Leader (voice)
- Keith David - President/Governor Andre Curtis (voice)
- Keith David - President Curtis / Turkey President Curtis (voice)
- Keith David - Reverse Giraffe (voice)
- Jim Rash - Glexo Slimslom (voice)
- Alex Hirsch - Toby Matthews (voice)
- Jim Gaffigan - Hoovy (voice)
- Patricia Lentz - Joyce Smith (voice)
- Patricia Lentz - Jerry's Mom (Voice)
- Brandon Johnson - Mr. Goldenfold (voice)
- Brandon Johnson - Additional Voices (voice)
- Brandon Johnson - Mr. Goldenfold / Federation Personnel (voice)
- Brandon Johnson - Mr. Goldenfold / Handsome Black Man (voice)
- Brandon Johnson - Mr.Goldenfold (voice)
- Brandon Johnson - Mr. Goldenfold / Student (voice)
- Brandon Johnson - Mr. Goldenfold / Black Mailman (voice)
- Dustin Ybarra - Danny Publitz (voice)
- Jeffrey Wright - Tony (voice)
- Kathleen Turner - Monogatron Queen (voice)
- Tom Kenny - Additional Voices (voice)
- Tom Kenny - Gene (voice)
- Tom Kenny - Squanchy (voice)
- Tom Kenny - Tour Guide / Squanchy (voice)
- Tom Kenny - Squanchy / Gene Gilligan (voice)
- Tom Kenny - (voice)
- Tom Kenny - Million Ants (voice)
- Tom Kenny - Tour Guide (voice)
- Tom Kenny - Mr. Stringbean (voice)
- Tom Kenny - Bad Cop / Mr. Jellybean (voice)
- Tom Kenny - Pawnshop Clerk (voice)
- Tom Kenny - Gear Newscaster / Gear Police Officer (voice)
- Tom Kenny - Nazi / Pencilvester (voice)
- Tom Kenny - Shnoopy Bloopers / Call Centre Alien #1 / Gene (voice)
- Tom Kenny - Shadow Jacker (voice)
- Tom Kenny - Hunter (voice)
- Tom Kenny - Conroy / Federation Admiral / Additional Voices (voice)
- Tom Kenny - Jon Arbuckle (voice)
- Tom Kenny - Squanchy / Bartender / Customs Gromflomite (voice)
- Tom Kenny - Pizza 1 / Phone 1 / Chair 1 (voice)
- Sam Neill - Monogatron Leader (voice)
- Steve Buscemi - Eddie (voice)
- Gary Anthony Williams - (voice)
- Gary Anthony Williams - Assimilated Alien 5 (voice)
- Gary Anthony Williams - Poncho / News Anchor (voice)
- Gary Anthony Williams - Business Alien (voice)
- Gary Anthony Williams - Quick Mystery Host / Last Will and Testimeow: Weekend at Dead Cat Lady's House II Announcer / Newscaster (voice)
- Alison Brie - Planetina (voice)
- Jennifer Coolidge - Daphne (voice)
- Tress MacNeille - Mrs. Tate / Party Guest 1 (voice)
- Tress MacNeille - Caretaker / Roy's Mother (voice)
- Tress MacNeille - Jerryboree Receptionist (voice)
- Christina Ricci - Princess Ponietta / Kathy Ireland (voice)
- Elon Musk - Elon Tusk (voice)
- Timothy Olyphant - Coop (voice)
- Maurice LaMarche - Additional Voices (voice)
- Maurice LaMarche - King of the Sun (voice)
- Maurice LaMarche - Eyeholes Announcer (voice)
- Maurice LaMarche - Crocubot (voice)
- Maurice LaMarche - Scary Teacher / Dog Accountant (voice)
- Maurice LaMarche - Federation President / Gromflomite Engineer / Additional Voices (voice)
- Maurice LaMarche - Alien / Waiter (voice)
- Maurice LaMarche - News Reporter / Froopyland Creature (voice)
- Maurice LaMarche - Gordon Lunas (voice)
- Maurice LaMarche - Hephaestus (voice)
- Maurice LaMarche - 'Real Spaghetti' Alien Terrorist (voice)
- Maurice LaMarche - Roy's Teacher / Gromflamite Fed (voice)
- Maurice LaMarche - Abradolph Lincler (voice)
- Maurice LaMarche - Miniverse Mayor (voice)
- Maurice LaMarche - Brad Anderson / Adult Morty Jr. (voice)
- Maurice LaMarche - Adviser / Rabbi (voice)
- Maurice LaMarche - Ship Captain / Abradolph Lincler (voice)
- Maurice LaMarche - Rhett Caan (voice)
- Maurice LaMarche - S.W.A.T. Officer / Johnny Carson (voice)
- Maurice LaMarche - Alien 2 / Paramedic (voice)
- Maurice LaMarche - Abradolf Lincoler (voice)
- Maurice LaMarche - Viking Armorer (voice)
- Echo Kellum - (voice)
- Echo Kellum - Additional Voices (voice)
- Echo Kellum - Brad (voice)
- Echo Kellum - Brad / First Mate (voice)
- Echo Kellum - Triple Trunks (voice)
- Echo Kellum - Jacob / Eric McMan (voice)
- John DiMaggio - Gramuflack Reporter (voice)
- John DiMaggio - Trandor (voice)
- John DiMaggio - Death Stalker Leader / Knight (voice)
- John DiMaggio - Pussifer (voice)
- John DiMaggio - Bully #2 (voice)
- Peter Serafinowicz - (voice)
- Peter Serafinowicz - Agency Director (voice)
- William Holmes - Additional Voices (voice)
- William Holmes - Vendor (voice)
- Michelle Buteau - The Sperm Queen (voice)
- Dan Harmon - Additional Voices (voice)
- Dan Harmon - Birdperson (voice)
- Dan Harmon - Mr. Nimbus (voice)
- Dan Harmon - Phoenixperson / McDoncalds Employee (voice)
- Dan Harmon - Reggie (voice)
- Dan Harmon - Council Of Glorzos Member (voice)
- Dan Harmon - Water-T / Ice-T / Magma-T (voice)
- Dan Harmon - Student (voice)
- Dan Harmon - Birdperson / Phoenixperson (voice)
- Dan Harmon - FDR (voice)
- Dan Harmon - Acid Man (voice)
- Dan Harmon - Flu Hatin' Rapper (voice)
- Dan Harmon - Joseph Campbell (voice)
- Dan Harmon - Triceratops (voice)
- Dan Harmon - Birdperson / Wedding Singer / Screaming Sun (voice)
- Dan Harmon - Alejandro (voice)
- Dan Harmon - Mr. Marklevitz / Kevin (voice)
- Dan Harmon - Birdperson / Tickets Please Guy (voice)
- Dan Harmon - Birdperson / Ice-T (voice)
- Dan Harmon - Phoenixperson (voice)
- Dan Harmon - Heistotron / Randotron (voice)
- Dan Harmon - Davin / Red Alien / Gromflomite Guard (voice)
- Fred Stoller - Ferkus 9 Inhabitant (voice)
- Sherri Shepherd - Judge (voice)
- Sherri Shepherd - Tony's Wife (voice)
- Dawnn Lewis - Assimilated Alien 1 (voice)
- Dawnn Lewis - Additional Voices (voice)
- James Callis - Pat Gueterman / Courier Flaps (voice)
- Tricia Helfer - Donna Gueterman / Federation Robot (voice)
- Pamela Adlon - Angie Flynt (voice)
- Pamela Adlon - Vermigurber's Child (voice)
- Arin Hanson - Photography Cyborgs / Three-Eyed Prisoner (voice)
- Kari Wahlgren - Jessica (voice)
- Kari Wahlgren - Additional Voices (voice)
- Kari Wahlgren - (voice)
- Kari Wahlgren - Rick's Computer (voice)
- Kari Wahlgren - Diane Sanchez (voice)
- Kari Wahlgren - Jessica / Newscaster (voice)
- Kari Wahlgren - Diane Sanchez / Rick's Computer (voice)
- Kari Wahlgren - Diane Sanchez / Additional Voices (voice)
- Kari Wahlgren - Jessica / Cynthia / Hot Woman (voice)
- Kari Wahlgren - Roy's Wife (voice)
- Kari Wahlgren - Gazorpian Judge (voice)
- Kari Wahlgren - Samantha / Hostage Woman (voice)
- Kari Wahlgren - Rick's Computer / Alien News Anchorwoman (voice)
- Kari Wahlgren - Garage AI (voice)
- Kari Wahlgren - Gaia (voice)
- Kari Wahlgren - Sharon Lewis (voice)
- Kari Wahlgren - Plutonian Chat Show Host 1 / Talking Doll (voice)
- Kari Wahlgren - Assimilated Alien 4 (voice)
- Kari Wahlgren - Jessica / Girl (voice)
- Jeff Bryan Davis - Simple Rick's Narrator (voice)
- Alan Tudyk - Observant Glorzo (voice)
- Alan Tudyk - Jeff (voice)
- Alan Tudyk - Observant Glorzo / Servant Glorzo (voice)
- Alex Jayne Go - Froopyland Creature (voice)
- Phil Hendrie - Principal Gene Vagina (voice)
- Phil Hendrie - Principal Gene Vagina / Newscaster / Davin (voice)
- Phil Hendrie - Principal Gene Vagina / Mr. Booby Buyer (voice)
- Phil Hendrie - (voice)
- Phil Hendrie - Scary Glenn (voice)
- Phil Hendrie - Principal Gene Vagina / Plutocrat's Friend (voice)
- Justin Theroux - Miles Knightly (voice)
- Daniel Bonjour - Additional Voices (voice)
- Chris Romano - Slow Mobius / 'Party!' Boy (voice)
- Chris Romano - Weird-faced Teen (voice)
- Chris Romano - Slow Mobius (voice)
- Keegan Allen - Partygoer (voice)
- Eddie Pepitone - Additional Voices (voice)
- Aislinn Paul - Nancy (voice)
- Eric Bauza - Additional Voices (voice)
- Eric Bauza - (voice)
- Eric Bauza - Shane (voice)
- Eric Bauza - Customs Gromflomite / Glen the Gromflomite (voice)
- Nolan North - Additional Voices (voice)
- Nolan North - Alien Waiting in Line / Special Agent Mongo Bongo (voice)
- Nolan North - Cake or Fake? Contestant (voice)
- Nolan North - Alien News Anchorman / Agent Gribbles (voice)
- Nolan North - (voice)
- Nolan North - Anderson Cooper / Tom Hanks (voice)
- Nolan North - Vice President Dwayne (voice)
- Nolan North - Gromflomite Commander / Gromflomite Soldier / Additional Voices (voice)
- Nolan North - Jerry's High School Friend (voice)
- Nolan North - Tony Hawk / Marvin (voice)
- Nolan North - Assimilated Alien 2 (voice)
- Nolan North - Michael / Priest (voice)
- Nolan North - Scroopy Noopers (voice)
- Kyle Mooney - Additional Voices (voice)
- Adam Rodriguez - Additional Voices (voice)
- Rob Schrab - (voice)
- Rob Schrab - Additional Voices (voice)
- Rob Schrab - Alexander / Tom Randolph (voice)
- Rob Schrab - Town Resident (voice)
- Rob Schrab - Tom Randolph (voice)
- Cassie Steele - Tammy Gueterman (voice)
- Cassie Steele - Tricia Lange (voice)
- Cassie Steele - Tricia Lange / Podcaster / Glorzos (voice)
- Cassie Steele - (voice)
- Cassie Steele - Tammy (voice)
- Darren Criss - Additional Voices (voice)
- Darren Criss - Bruce Chutback (voice)
- Phil LaMarr - Additional Voices (voice)
- Jason Paige - Additional Voices (voice)
- Vanessa Marshall - Additional Voices (voice)
- Arnie Pantoja - Additional Voices (voice)
- Peter Dinklage - Chans (voice)
- Lauren Culjak - Additional Voices (voice)
- Lauren Culjak - (voice)
- Lauren Tom - Kendra (voice)
- Lauren Tom - Birddaughter / Amy (voice)
- Lauren Tom - Additional Voices (voice)
- Nick Rutherford - Additional Voices (voice)
- Nick Rutherford - Nick (voice)
- Nick Rutherford - Officer (voice)
- Nick Reczynski - (voice)
- Nick Reczynski - Snake Humanoid (voice)
- Nick Reczynski - Gromflomite Spokesman / Timothy / Gromflomite Guard #2 (voice)
- Nick Reczynski - Additional Voices (voice)
- Troy Baker - (voice)
- Troy Baker - Observer Offering Money (voice)
- Troy Baker - Timmy Timtim (voice)
- Troy Baker - General Carl (voice)
- Troy Baker - General Carl / Tom (voice)
- Lisa Kudrow - Tyrannosaurus Rex (voice)
- Jason Mraz - Brachiosaurus (voice)
- Jack Black - Lithdor (voice)
- Matt King - Knight of the Sun (voice)
- David Mitchell - Knight of the Sun (voice)
- Daniel Radcliffe - Knight of the Sun (voice)
- Lee Harting - Additional Voices (voice)
- Lee Harting - (voice)
- Robert Webb - Knight of the Sun (voice)
- Will Forte - Eugene Michael Piss / Pissmaster (voice)
- John Early - Eternal (voice)
- Diedrich Bader - Blagnar the Eternal (voice)
- Hugh Jackman - Hugh Jackman (voice)
- Beck Bennett - Sheriff (voice)
- James Adomian - (voice)
- Albro Lundy - (voice)
- Debra Wilson - (voice)
- Maria Bamford - (voice)
- Jon Allen - Mr. Poopybutthole (voice)
- Jon Allen - Wayne (voice)
- Ryan Hansen - (voice)
- Erica Lindbeck - (voice)
- Glen Powell - Kwyatt (voice)
- Ice-T - Magma-Q (voice)
- Maya Tuttle - (voice)
- Liev Schreiber - Fear Hole Demon (voice)
- Wes Archer
- Cody Ziglar
- Jeremy Gilfor
- Alex Song-Xia
- Grace Freud
- Cameron Tang
- Scott Marder
- Nick Rutherford
- Justin Roiland
- Kelly Crews
- Sara Jane Sherman
- Valerie Summey
- Ricardo Watson
- Corbin Bumeter
- Ryan Elder
- Hunter Curra
- James A. Moore
Kathleen Turner interpreta a Monogatron Queen (voice) en la serie.
Kurtwood Smith hace el papel de General Nathan (voice).
Steve Buscemi hace el papel de Eddie (voice).
Jeffrey Wright hace el papel de Tony (voice).
Alfred Molina interpreta a The Devil (voice) en la serie.
Matthew Broderick interpreta a Talking Cat (voice) en la serie.
Sam Neill interpreta a Monogatron Leader (voice) en la serie.
Christian Slater interpreta a Maximus Renegade Star Soldier (voice) en la serie.
Susan Sarandon interpreta a Dr. Helen Wong (voice) en la serie.
David Cross hace el papel de Prince Nebulon / Radio Voice (voice).
Capítulo disponible en las siguientes plataformas:
