Season Regulars 3

1. 

   Madeleine Martin

   Fionna Campbell (voice)

2. 

   Roz Ryan

   Cake (voice)

3. 

   Tom Kenny

   Simon Petrikov / Ice King (voice)

Guest Stars 22

1. 

   Chelsea Peretti

   Queenie (voice)

2. 

   Donald Glover

   Marshall Lee (voice)

3. 

   Andrew Rannells

   Gary Prince (voice)

4. 

   Sharon Horgan

   Additional Voices (voice)

5. 

   Felicia Day

   Betty (voice)

6. 

   Sean Rohani

   Prismo (voice)

7. 

   Steve Little

   Additional Voices (voice)

8. 

   Sean Giambrone

   Shermy (voice)

9. 

   Imani Hakim

   Beth (voice)

10. 

    Andy Daly

    Kheirosiphon / Popcop (voice)

11. 

    Dee Bradley Baker

    ZA' Baby / Moon Demon King (voice)

12. 

    Kayleigh McKee

    Scarab / Ashley (voice)

13. Iggy Craig

    Casper (voice)

14. Rosie Brand

    Nova (voice)

15. 

    Vico Ortiz

    Hunter (voice)

16. 

    Jeff Bennett

    Additional Voices (voice)

17. 

    Jeremy Shada

    Additional Voices (voice)

18. 

    Marc Maron

    Additional Voices (voice)

19. Mickey Zacchilli

    Additional Voices (voice)

20. 

    Pendleton Ward

    Additional Voices (voice)

21. 

    Phil LaMarr

    Additional Voices (voice)

22. Tiffany Wu

    Additional Voices (voice)

Crew 27