- Ryan Lee - John Elton
- Angela Relucio - Floribeth's Aunt
- Adelle Drahos - Podcast Superfan
- Sean Goulding - Hungry Fan
- Joshua Hoover - Fatty Bombalatty
- Glenn Walkup - Butler 3rd Base Coach
- Lilly Roberson - Cindy
- Keisuke Hoashi - Translator
- Haji Abdullah - Large Man
- John Atwood - Bill Douglas
- Aina Dumlao - Diwata Cruz
- Matt Mercurio - Wacky Auctioneer
- Allie McCulloch - Female Brock-Head
- Vince Pisani - Male Brock-Head
- Ira Glass - Ira Glass
- Jeremy Madden - Annoying Selfie Fan
- Ron Perkins - Abortion Doctor
- Ross Marquand - Brockmire's Father
- Rich Eisen - Rich Eisen
- Shane Donovan Lewis - BBQ Boy
- Shane Donovan Lewis - Lil Pete
- Brian F. Durkin - Robbie Butler
- Brian Kenny - Brian Kenny
- Jonah Keri - Jonah Keri
- Tim Kurkjian - Tim Kurkjian
- Kenny Mayne - Kenny Mayne
- Dan Patrick - Dan Patrick
- Steve Coulter - Coach Pom Pom
- Toby Huss - Johnny the Hat
- Alex Phipps - Ryan Stanton
- Paul Rae - Dale
- Adan Rocha - Danny Cruz
- Daisuke Tsuji - Yoshi Takatsu
- David Walton - Gary
- Molly Ephraim - Bartender
- Ethan Daniels - Bat Boy Calhoun
- Marc Demeter - Fracker Fan
- Al Mitchell - Umpire
- Melanie Loren - Chantal
- Todd Davis - Podcast Superfan
- Kimrie Lewis - Bobbi
- Clifton Powell - Charles Sr.
- Adam Drescher - Stadium Manager
- Paul Brian Johnson - Terry
- Zamani Wilder - Charlynn Richmond
- Hakim Callender - Damon
- Ted Huckabee - Leland
- Benjamin Weaver - Spectator
- Lindsay Ayliffe - Minister
- Jef Holbrook - Nephew Jim
- Greg Puckett - Funeral Attendant
- Valerie Jane Parker - Groupie
- Dreama Walker - Whitney
- Tracey Bonner - Cassie
- Hemky Madera - Pedro Uribe
- Utkarsh Ambudkar - Raj
- Sarah Blackman - Nicole
- Jared Simon - Doctor #1
- Selena Anduze - Doctor #2
- Mary Kraft - Chastity
- Mary Kraft - Sam
- Sydney Wease - Mascot
- Anthony B. Harris - Medical Intern
- Carrie Preston - Elle
- Joe Knezevich - Greg
- Matt Myers - Patient
- Adriyan Rae - Yvonne
- Drew Starkey - Brad Christie
- Jimi Kocina - Dale
- Kodai Yamaguchi - Baseball Fan
- George Brett - George Brett
- Lauren Halperin - Receptionist
- Frank Brennan - Mr. Benjamin
- Bob Costas - Bob Costas
- Dan Castellaneta - Duke Yipkowski (voice)
- Linda Lavin - Lorraine
- Courtney Sauls - Gabby's Partner
- Courtney Sauls - Gayle
- Charles Green - Norman Glasscock
- Quinn Cooke - Denise
- Michele Jang - Dakota
- Ginger Curl - Pat
- Jordan Iacovella - Young Jim
- Natalie Renee Long - Young Lucy
- Andrea Maiuro - Doctor
- Becky Ann Baker - Jean Brockmire Glasscock
- Phil Reeves - Art Newlie
- Martha Plimpton - Shirley
- Richard Kind - Gus Barton
- Christine Woods - Maggie Nickols
- Travis James - Newlie Fan #2
- Christian Robinson - Dave
- Christian Robinson - Dave (uncredited)
- Holden Scott - Jared
- Jay DeVon Johnson - Moderator
- Suehyla El-Attar - Kansas City Royals Staff Member
- Vanessa Padla - Manila Pedestrian
- Peg O'Keef - Spry Grandma
- Jonathon Pawlowski - Reporter
- Ben Sanders - Brad
- David Sullivan - Rusty
- Alana Cavanaugh - Young Jules
- Rebecca Koon - Carol
- Cliff Weissman - The Great Tomás
- John Ales - New York Yankees Owner
- Michael Bunin - Leslie
- Lynne Ashe - Human Resources Manager
- J. LaRose - Chief Sango Whitehorse
- Ron Clinton Smith - Freddie
- Dominic Cancelliere - Lil' Diazepam
- David Pressman - Orion
- Joe Buck - Joe Buck
- Valerie Azlynn - Janet
- Matt Levin - Man
- Kevin Patrick Murphy - Limòn Stranger
- Ashley Uecker - Hall of Fame attendee
- Paul F. Tompkins - Harold K. Finnegan
- Aaron Gillespie - Benny Rodriguez
- Katie Finneran - Lucy Brockmire
- Victoria Blade - Limòn
- Victoria Blade - Debbie / Limòn
- Ego Nwodim - Liz
- Andrew Hill Newman - Dr. Barrett
- Fray Forde - 'Symphony' Pitchman
- Charity Hitchcock - Lennox
- Haroon Khan - Confused Teenager
- Andrea Laing - Bernice
- Ivana J. Lewis - Jasper
- Jack Marino - Barfly
- David Marshall Silverman - Dylan's Dad
- Joe Farrell
- Christopher Kelly
- Andrew Hill Newman
- Joel Church-Cooper
- Hank Azaria
- Adam Blau
Dan Castellaneta hace el papel de Duke Yipkowski (voice).
Hank Azaria interpreta a Jim Brockmire en la serie.
Amanda Peet hace el papel de Jules James.
Reina Hardesty hace el papel de Beth.
Capítulo disponible en las siguientes plataformas:
