- Judith Light - Rosa Stevens
- Laura Benanti - Judy
- Danielle Ferland - Kim
- Micaela Diamond - Peggy
- Utkarsh Ambudkar - Todd
- Gizel Jimenez - Cristin
- Joel Perez - Lincoln
- Judy Kuhn - Nan
- Danny Burstein - Al
- Lauren Marcus - Donna
- Richard Kind - Walter Bloom
- Tariq Trotter - H.A.W.K. Smooth
- Kenita R. Miller - Sextet Actor #2
- Eddy Lee - Sextet Actor #3
- Jared Loftin - Sextet Actor #4
- Kurt Crowley - Rehearsal Pianist - Francis
- Joanna Adler - Molly
- Sheila Tapia - Nurse
- Christopher Jackson - TTB Concert Attendee
- Jelani Alladin - David
- Luis Miranda - Building Concierge
- Chuck Cooper - "Sunday" Legend #1
- André De Shields - "Sunday" Legend #2
- Renée Elise Goldsberry - "Sunday" Legend #3
- Joel Grey - "Sunday" Legend #4
- Wilson Jermaine Heredia - "Sunday" Legend #5
- Beth Malone - "Sunday" Legend #6
- Howard McGillin - "Sunday" Legend #7
- Brian Stokes Mitchell - "Sunday" Legend #8
- Bebe Neuwirth - "Sunday" Legend #9
- Adam Pascal - "Sunday" Legend #10
- Bernadette Peters - "Sunday" Legend #11
- Phylicia Rashād - "Sunday" Legend #12
- Chita Rivera - "Sunday" Legend #13
- Daphne Rubin-Vega - "Sunday" Legend #14
- Phillipa Soo - "Sunday" Legend #15
- Nick Blaemire - Aspiring Composers and Lyricists
- Eisa Davis - Aspiring Composers and Lyricists
- Amanda Green - Aspiring Composers and Lyricists
- Joe Iconis - Aspiring Composers and Lyricists
- Dave Malloy - Aspiring Composers and Lyricists
- Matthew McCollum - Aspiring Composers and Lyricists
- Shaina Taub - Aspiring Composers and Lyricists
- Victoria Theodore - TTB Band Member #2 - Keyboards
- Bryndon Cook - TTB Band Member #3 - Guitar
- Debbie Tjong - TTB Band Member #4 - Electric Guitar
- Derrick Delgado - Young Michael
- Mason Versaw - Teenage Jon
- Roger Bart - Featured Diner #2
- Emily Juean Stillings - Susan Company Dancer #1
- Stephanie Crousillat - Susan Company Dancer #6
- Gaby Diaz - Susan Company Dancer #7
- Ilia Jessica Castro - "PLAY GAME" Dancer #1
- Lane Napper - Bookstore Dancer #1
- Christopher Grant - "SUNDAY" Busboy Dancer #1
- Purdie Baumann - Lobby Dancer #11
- Noah Lentini - HS West Side Dancer #1
- Dwany Guzman - HS West Side Dancer #4
- Victoria Caban - HS West Side Dancer #5
- Ken Holmes - YMCA Poolgoer (uncredited)
- Luca Waldman
- Thomas Johnston
- Jonathan Larson
- Lin-Manuel Miranda
- Ron Howard
- Brian Grazer
- Steven Levenson
- Julie Oh
- Julie Larson
- Bill Orrico
- Paul Hsu
Capítulo disponible en las siguientes plataformas:
