- Vanessa Morgan - Toni Topaz
- Erinn Westbrook - Tabitha Tate
- Mädchen Amick - Alice Cooper
- Skeet Ulrich - FP Jones
- Trevor Stines - Jason Blossom
- Trevor Stines - Clifford Blossom
- Mark Consuelos - Hiram Lodge
- Mark Consuelos - Hiram Lodge (archive footage) (uncredited)
- Marisol Nichols - Hermione Lodge
- Marisol Nichols - Hermione Lodge (voice)
- Marisol Nichols - Hermione Lodge / Apollonia Gomez
- Ashleigh Murray - Josie McCoy
- Tony Todd - Farmer McGinty
- Stephan Miers - Andre
- Andre Anthony - Lenny Junior
- Riley Keough - Laurie Lake
- Kelly Ripa - Mrs. Mulwray
- Shannen Doherty - Stranded Motorist
- Kadence Kendall Roach - Li'l Polly
- Ben Cotton - Michael Matthews
- Luke Roessler - Jack
- Sam Witwer - Rupert Chipping
- Gina Torres - Mrs. Burble
- Cherilynn Fulbright - Vixen #1
- Paul Jarrett - Grandpa Arti
- Andy Thompson - Funeral Director
- Anthony Michael Hall - Principal Featherhead
- Luvia Petersen - Brooke
- Garfield Wilson - Commandant Carter
- Carmela Sison - Agent #1
- Lucas Wyka - A Teen Boy
- Sarah Desjardins - Donna Sweett
- Blake Stadel - George Augustine
- Birkett Turton - David
- Shaw Madson - Guard
- Ese Atawo - Dr. Starling
- Doreen Calderon - Nana Topaz
- Gaston Morrison - Bus Driver
- Jayce Barreiro - Vinny the Bookie
- Klarc Jerome Wilson - Officer Bradshaw
- Anna Diaz - Yvonne
- Jeremy Lacombe - Josh MacGregor
- Tina Rahimi - Young Victim
- Jeremy Jones - Debt Collector #1
- Stella Lai - Travel Agent
- Sam Rahmani - Trudy
- Ryan Faucett - Bernardo Bixby
- David LeReaney - Chief Russell
- Carmen Aguirre - Deanna Harper
- Paul Herbert - Homeless Man
- Brahm Taylor - Earl
- Ben Sullivan - Rick
- Neemish Parekh - Attendee #1
- Michelle Addison - Britta's Mom
- Rocky Anderson - Sketchy Trucker
- AC Bonifacio - Star Vixen
- Lydia Campbell - Mrs. Davis
- Kheon Clarke - T Dub
- Sarah Formosa - Missy
- Karen Holness - Mrs. Logan
- Austyn Lamont - Cassandra
- Myrasol Martinez - Second Young Woman
- Ashley O'Connell - John
- Chris Shields - Mr. Logan
- Vince Song - Derek Davis
- Kurtis Szarka - Shane
- Hart Denton - Chic
- Grace Chin - Parent #1
- Jason William Day - Inmate #2
- Daniel Yang - Dilton Doiley
- Adain Bradley - Trev Brown
- Raúl Castillo - Óscar Castillo
- Elan Ross Gibson - Severe Nun
- Eden Summer Gilmore - Li'l Betty
- Jenn MacLean-Angus - Mrs. Muggs
- Lane Edwards - Mr. Sowerberry
- Caitlin Mitchell-Markovitch - Ginger Lopez
- Olivia Ryan Stern - Tina Patel
- Christopher Rosamond - Mustang
- Wonita Joy - Counter Lady
- Jay Clift - Gunman
- Colin Lawrence - Floyd Clayton
- Arthur MacKinnon - Young Serpent
- Sarah Habel - Geraldine Grundy
- Sean Amsing - Public Defender
- Kelly Konno - Prosecutor
- Chris Carson - Jogger
- Amanda Burke - Ms. Paroo
- Nelson Wong - Dr. Phylum
- Robert Baker - Robert Phillips
- Mark Brandon - Xavier St. Clair
- Michelle Brezinski - Simone St. Clair
- Donna Soares - Mrs. Mantle
- Jason Bell - Mr. Conway
- Jenn Griffin - Byrdie
- Larry MacDonald - Janitor
- Dean Marshall - Jack Walsh
- Cameron McDonald - Mr. Svenson
- Graham Greene - Thomas Topaz
- Hayley Law - Valerie Brown
- Juan Riedinger - Dodger Dickenson
- Sean Millington - Hammer
- Paul Lazenby - Inmate #1
- Paul Lazenby - Manager
- Paul Lazenby - Marcel
- Robert Parent - Alpha Stockbroker
- Jihan Amer - Teacher
- Nickolas Baric - Henchman #1
- Wyatt Cameron - Jock #1
- Neil Charlesworth - Jerky Customer
- Ben Corns - Mr. Sam McPharlin
- Vincent Dangerfield - Wealthy Businessman
- Glenn Ennis - Henchman #3
- Cameron Forbes - Police Officer #1
- Mike Mitchell - Henchman #2
- Sean Owen Roberts - Edgy Gangster
- Kory Grim - Ringleader
- Adrian Neblett - Mr. Barry
- Corey Turner - Trucker #3
- Crystal Balint - Sherry Winters
- Phoebe Miu - Jessica
- Adeline Rudolph - Minerva Marble
- Thomas Nicholson - Martin Tucker
- Kamar Burke - Hulking Vet
- Ramon Terrell - Group Leader
- M.C. Gainey - Poppa Poutine
- Terry Lewis - Hog Eye
- Michael Puttonen - Junkyard Steve
- Françoise Robertson - Tia Teresa
- Sharon Taylor - Tia Margot
- Jennifer Kitchen - Parking Enforcer
- Christian Sloan - Shady Man
- Dean Mckenzie - Terrence
- Jerry Wasserman - Mr. Lazenby
- Alex Zahara - Uncle Bedford
- Arabella Bushnell - Aunt Cricket
- Shaun Omaid - War Baby
- Andy Cohen - Andy Cohen
- John Behlmann - Arthur Adams
- Eli Gabay - Lenny Kowalski
- Mark Gibbon - Carl
- Michele Povill - Sister Livingstone
- Andrea Rosolia - Waiter
- Jordan Calloway - Chuck Clayton
- Aliza Vellani - Mrs. Haggly
- Kelly McCabe - Boon
- Sam Robert Muik - Brad
- Brent Clark - Middle-Aged Man
- Mackenzie Gray - Dr. Curdle
- Ryan Rosery - Horsetrack Suitor
- Tommy Martinez - Malachai
- Andre Tricoteux - Small Fry Boucher
- Penelope Ann Miller - Mrs. Wright
- Yasmin Abidi - Nurse
- Kaare Anderson - Forman
- Enid-Raye Adams - Head Nurse
- Harrison MacDonald - Cassidy Bullock
- Harrison MacDonald - Store Clerk
- Kwesi Ameyaw - Dr. Masters
- Beckham Skodje - Young Hal Cooper
- Marc Gaudet - Baliff
- Ross Butler - Reggie Mantle
- Ross Butler - Reggie Prime
- Laura Drummond - Mrs. Button
- Sean Kennedy - FP's Dad
- Jaden Oehr - 8 Year Old Clifford
- Craig Meester - Janitor
- Rob Raco - Joaquin DeSantos
- BJ Harrison - Gloria
- Yasmeene Ball - Daisy
- Nancy Amelia Bell - Old Lady Willa
- Ava Telek - Pearl
- Milli Wilkinson - Tiffany
- Wolsey Brooks - Deputy
- Angela Moore - Sister Agnes
- Kendall Cross - Ranger
- Liam Dickinson - Tyler
- Elizabeth Thai - Proctor
- Sam Spear - Deputy
- Shaquan Lewis - Guard Barnaby
- Henderson Wade - Michael Minetta
- Tyson Arner - Gargoyle Leader
- Scott Pocha - Toby
- Chris Britton - Judge
- Chris Britton - Judge Britton
- Nneka Croal - Juliard Recruiter
- Simon C. Hussey - Major Mason
- Veena Sood - Headmistress Patricia
- Djouliet Amara - Nancy Woods
- Victoria Bidewell - Martha
- Chris McNally - Alan Mayberry
- Michael Consuelos - Young Hiram Lodge
- Ian Hawkins - Five Seasons Manager
- Ron Selmour - Toots Sweet
- Kathleen Duborg - Older Mother
- Link Baker - Captain Golightly
- Seth Ranaweera - Mo
- Riun Garner - Zayn Amari
- Matthew Graham - Board Member #1
- Jaeson Lee - Berserker
- Jaleese Green - Young Mother
- Gardiner Millar - General Taylor
- Philip Prajoux - Handsome Man
- Marcel Zadé - Board Member #2
- Chris Mason - Chadwick 'Chad' Gekko
- Sommer Carbuccia - Eric Jackson
- John Prowse - Dreyfuss 'Old Man Dreyfuss' Starkweather
- Jacqueline Ann Steuart - Chad's Lawyer
- Jude Wilson - Lerman Marshall Logan
- Anthony Timpano - Benjamin 'Bingo' Butler
- Benton Greene - Mr. Tate
- Catherine Lough Haggquist - Mrs. Tate
- Robyn Ross - Mrs. Klump
- Colm Hill - Game Master
- Dean Aylesworth - Crazed John
- T.J. Riley - Trucker #2
- T.J. Riley - Male Agent
- Brit Morgan - Penny Peabody
- Gina Gershon - Gladys Jones
- Reese Alexander - Myles McCoy
- Jonathan Whitesell - Kurtz
- Anna Van Hooft - Ms. Ronson
- Julian Haig - Elio
- Darcy Hinds - Randy Ronson
- Sam Darkoh - Young Pop Tate
- Sam Darkoh - Young Pop Tate 1968
- Brad Mann - Leo
- Todd Mann - Nico
- Carlo Fortin - Stu
- Andrew Wheeler - Marco Marquez
- Nico Bustamante - Ricky DeSantos
- Michael Denis - Larry
- Justin Howell - Bear-Man
- Beverley Breuer - Sister Woodhouse
- Lori Triolo - Agent Ordelia
- Chad Michael Murray - Edgar Evernever
- Ryan Grantham - Jeffery Augustine
- Bernadette Beck - Peaches 'N Cream
- Robert Moloney - Paul Sowerberry
- Marci T. House - Mrs. Fisher
- Glynis Davies - Miss Haggly
- Marcus Zane - Louie
- Tom Pickett - Minister
- Barbara Beall - Federal Prosecutor
- Matthew Harrison - Mr. Wallis
- Fred Henderson - Governor Dooley
- Darcy Laurie - Shop Owner
- Kurt Long - Dennis
- Shaker Paleja - Dr. Patel
- Shaker Paleja - Doctor Patel
- Garrett Black - Bill Dickenson
- Liza Huget - Shoshana Rutherford
- Eli Goree - Munroe 'Mad Dog' Moore
- Adam Klassen - Fagan
- Emily Tennant - Miss Appleyard
- Michael St. John Smith - Coach Kleats
- Ty Wood - Billy Marlin
- Major Curda - Dilton Doiley
- Major Curda - Daryl Doiley
- Ana Mercedes - Abuelita Lourdes
- Ana Mercedes - Abuelita Lodge
- Sandy Robson - Ted Bishop
- Lucy Hale - Katy Keene
- Christine Chatelain - Mrs. Chipping
- Shaun Mazzocca - Deputy Tubby
- Bruce Blain - Vic
- Candus Churchill - Mrs. Moore
- Alex Barima - Johnathan
- Sean Depner - Bret Weston Wallis
- Zoé De Grand Maison - Evelyn Evernever
- Ajay Friese - Eddie
- Doralynn Mui - Joan Berkeley
- Russell Roberts - Headmaster
- Scott McNeil - Tall Boy
- Scott McNeil - Older Serpent
- Timothy Webber - Forsythe Pendleton Jones I
- Jordan Robinson - Toby
- Marlon Kazadi - Malcolm
- Brittany-Ellen Willacy - Laura
- Brendan O'Brien - Math Teacher
- Spencer Lord - Terry
- Steve Makaj - Jinx Malloy
- Billy Wickman - Hunter Malloy
- Robin Givens - Sierra McCoy
- Asha Bromfield - Melody Valentine
- Jordan Connor - Sweet Pea
- Megan Peta Hill - Cora
- Sam Scherzer - David Archer
- Liam Tait - Rusty
- Sheila Tyson - Delores
- Louis Ferreira - Vittorio 'Vito' Alto
- Marcus Aurelio - Townsfolk #1
- William MacDonald - Principal Featherhead
- William MacDonald - Warden Norton
- Alexander Lowe - Cousin Fester Blossom
- Daniel Schoepf - Ray Malloy
- Noam Zylberman - Paul Malloy
- Joshua Guvi - Daryl
- Kerr Smith - Holden Honey
- Azura Skye - Darla Dickenson
- Anita Wittenberg - Diana Whitley
- Dave Beamish - Mr. Schaffer
- Valerie McNicol - Real Estate Agent
- Skylar Radzion - Squeaky
- Shadan Saul Guerrero - Lucinda Villa
- Graham Phillips - Nick St. Clair
- Andrew Nolan - Jim Hubbard
- Peter Kelamis - Samm Pansky
- Lisa Chandler - La Llorona (uncredited)
- Lisa Chandler - Mrs. Conway
- Brittany Alexis Palmer - Floor Manager
- David Lennon - Cameron Carver
- David Lennon - Cameron
- Barclay Hope - Clifford Blossom
- Barclay Hope - Mayor Clifford Blossom
- Barclay Hope - Claudius Blossom
- Liam Hall - Ghoulie #1
- Luisa Jojic - Uniform Deputy
- Mishel Prada - Hermosa Lodge
- Xantha Radley - Librarian
- Emilija Baranac - Midge Klump
- Emilija Baranac - Midge
- Paul Anthony - Trevor Collins
- Sacha Joseph - Banker
- Maria Meadows - Veterinarian
- Jaren Moore - Customer
- Caeden Lawrence - Daniel Dafoe
- Camille Legg - Happy Patient
- Camille Legg - Hannah
- Noah Franz - PA
- John Innes - Monsignor
- Troy Mundle - Man in Alley
- Stephen JF Walker - Denizen #1
- Malcolm Stewart - Dr. Freiderich Werthers
- Malcolm Stewart - Francis J. Dupont
- Adrian Hough - Doc
- Peter Brown - Floor Manager
- Matty Finochio - The Milkman
- Matty Finochio - Quiz Show Host
- Monique Helbig - Doctor
- Dustin Lloyd - Deputy Walker
- Marion Eisman - Doris Bell
- Marion Eisman - Mrs. Phillips
- Maestro Porus Irani - Guinness Record Adjudicator
- Zane Holtz - K.O. Kelly
- Al Miro - Mario
- Norm Lewis - Titus Tate
- Tristan Cabida - Serpent 1968
- Doug Chapman - Trash Bag Killer
- Doug Chapman - Dennis
- Jordana Summer - Riverdale High Student 1968
- Nathalie Boltt - Penelope Blossom
- Lochlyn Munro - Hal Cooper
- Ricardo Hoyos - Heraldo
- David Attar - Bruiser
- Peter New - Bobby
- Jason Sakaki - Cadet 1
- Troy Skog - Hank
- Al McFoster - Mr. Shipley
- Kiernan Shipka - Sabrina Spellman
- Dan Ginnane - Jay (voice)
- Alison Araya - Janet Weiss
- Alison Araya - Ms. Weiss
- Maria Marlow - Gilda Snide
- Julia Benson - Lawyer
- Wyatt Nash - Charles Smith
- Daniel Martin - Tired Man
- Danielle Klaudt - Bachelorette
- Toby Marks - Black Dahlia T-Shirt
- Levi Wall - Fanboy
- Matthew Yang King - Marty Mantle
- Andres Soto - Carlos
- Greyston Holt - Glen Scot
- Greyston Holt - Patchwork Glen
- Oliver Rice - Louis 'Lou' Cypher
- Alaina Huffman - Twyla Twyst
- Oscar Chark - Teen Fan
- Hamza Fouad - Raphael
- Brendan McRae - Timmy Twyst
- Molly Ringwald - Mary Andrews
- Tom McBeath - Smithers
- Cody Kearsley - Moose Mason
- Alvin Sanders - Pop Tate
- Barbara Wallace - Nana Rose Blossom
- Ryan Robbins - Frank Andrews
- Camille Hyde - Alexandra Cabot
- Sophia Tatum - Agent Jillian Drake
- Shannon Purser - Ethel Muggs
- Shannon Purser - Rivervale Ethel
- Caroline Day - Heather
- Nicholas Barasch - Julian Blossom
- Peter Bryant - Waldo Weatherbee
- Peter Bryant - Principal Waldo Weatherbee
- Abby Ross - Midge Klump
- Karl Walcott - Clay Walker
- Frances Flanagan - Mrs. Thornton
- Garry Chalk - Al Fieldstone
- Adam Lolacher - Mr. Manfred Muggs
- Alyssa Wapanatâhk - Lizzo
- Patrick Keating - Willie
- Dan Zukovic - Key-Keeper
- Robert Kaiser - Hairdresser
- Christopher Shyer - Brad Rayberry
- Rhys Matthew Bond - Walter
- Aiden Howard - Willie
- Tim Beckmann - Mr. Lemley
- Trevor Campbell - Director
- Gage Marsh - Troy
- Stewart Prince - Alum #1 Dennis
- David Beairsto - Reverend Lowe
- Carlo Yu - Dr. Darryl Doiley
- Carlo Yu - Dr. Daryl Doiley
- Maxwell Jando - Li'l Archie
- Evelyn Burke - Li'l Betty
- Quinnie Vu - Agent Marsha Lin
- Quinnie Vu - Paramedic
- Robinne Fanfair - June Simpson
- Eileen Barrett - Cat Lady
- Shelley Janzé - Mrs. Gibbs
- Synto D. Misati - Jeremy Jackson
- Faith Wright - Tracey Thomas
- Justin Anthony - Jonah
- Christian Lagasse - Randall
- Alex Rose - Marty
- Gabriel Carter - Scout Master
- Steven Huy - Adventure Scout
- Linden Banks - Newsstand Vendor
- Linden Banks - Newsstand Seller
- Kathryn Zenna - Mrs. Keller
- Kyra Leroux - Britta Beach
- Kyra Leroux - Britta Beach / Abigail Blossom
- Kyra Leroux - Rivervale Britta
- Kyra Leroux - Britta Beach (uncredited)
- Tiera Skovbye - Polly Cooper
- David Bloom - Mr. Abrams
- Teana-Marie Smith - Mail Clerk
- Teana-Marie Smith - Post Mistress
- Pendo Muema - Annie
- Alix West Lefler - Juniper
- Alix West Lefler - Juniper (uncredited)
- Gabrielle Nebrida-Pepin - Margaret
- Michele Scarabelli - Grandma Betty
- Cecilia Deacon - Granddaughter Alice
- Dejan Loyola - Robert
- Martin Cummins - Tom Keller
- Martin Cummins - Tom Keller / Mayor Keller
- Daniel Desveaux - Detective
- Sean Quan - Boy Scout
- Broadus Mattison - Boy Scout Dad
- Adam Swain - Adventure Scout
- Kevan Ohtsji - Club Manager
- Chris O'Shea - Percival Pickens
- Chris O'Shea - Percival Pickens / Sheriff Perkins / Perry Pierce / Paul Prince
- Jason Simpson - Serpent Bartender
- Ardy Ramezani - Football Player
- Ardy Ramezani - Quarterback
- Beau Daniels - Male Alumni
- Terry O'Sullivan - Female Alumni
- Jeremy Schuetze - Man in Car
- Art Kitching - Store Clerk
- Leo Thomas - Verne
- Gina Stockdale - Older Woman
- June B. Wilde - Waitress
- Jenny Mitchell - Lady
- Pamela Diaz - Spanish Woman
- Aason Nadjiwan - Boxing Suitor
- Donnie MacNeil - Shadow Lake Boy
- Donnie MacNeil - Seedy Boy
- Nelson Giles - Tall Man
- Valin Shinyei - Adventure Seeker
- Conor Stinson O'Gorman - Seedy Boy
- Conor Stinson O'Gorman - Shadow Lake Boy
- Matthew Smalley - Seedy Boy
- Matthew Smalley - Shadow Lake Boy
- Matteo Stefan - Slash
- Connor Paton - Baby Teeth
- Matthew Mandzij - Bouncer
- Ellen MacNevin - Young Female Patient
- Taylor Kare - Lugnut
- Sal Sortino - Foreman
- Benjamin Wilkinson - Announcer
- Ian Butcher - Don
- Rob Carpenter - Sketch Artist
- Matt Kennedy - L
- Kareem Malcolm - Preppy Buyer
- Nathan Witte - Tour Guide Farmie
- Taryn Roberts - Vixen
- Ethan Shankaruk - Masked Court Jester
- Angela Vanderwal - Appraiser
- Maria J. Cruz - Nurse
- Adam Pateman - Paparazzi
- Jessica Garcie - Woman
- Lucy McNulty - District Attorney
- Eric Bempong - Seaside Player
- Serena Crouse - Vixen
- Mya Lowe - Vixen
- Cameron Park - Restaurant Owner
- Nisreen Slim - Restaurant Owner
- Mariesa Crouse - Dancer
- Charlotte Kavanagh - Dancer
- Jennifer Copping - Brotherhood Member
- James Yi - Brotherhood Member
- Fritzy-Klevans Destine - Bulldog
- Dawson Rutledge - Fratboy
- Daniel Lindsay - Sean McPharlin
- Connor Wong - Crowd Dancer
- David Rapaport
- Lyndsey Baldasare
- Carl Ogawa
- Jennifer Lence
- Sean Cossey
- Greg Berlanti
- Vicki Lemar
- Blake Neely
- Brittany Whyte
- Sherri Chung
- Kenneth Kobett
Anthony Michael Hall interpreta a Principal Featherhead en la serie.
K.J. Apa hace el papel de Archie Andrews.
Lili Reinhart hace el papel de Betty Cooper.
Camila Mendes hace el papel de Veronica Lodge.
Cole Sprouse interpreta a Jughead Jones en la serie.
Madelaine Petsch interpreta a Cheryl Blossom en la serie.
Casey Cott interpreta a Kevin Keller en la serie.
Drew Ray Tanner hace el papel de Fangs Fogarty.
Vanessa Morgan interpreta a Toni Topaz en la serie.
Mädchen Amick interpreta a Alice Cooper en la serie.
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