Series Cast 35

1. 

   Jeremy Shada

   Finn / Additional Voices (voice) (4 Episodes), Finn (voice) (2 Episodes)

2. 

   Tom Kenny

   Ice King / Simon Petrikov / Additional Voices (voice) (4 Episodes), Y5's Dad (voice) (1 Episode), Simon Petrikov (voice) (1 Episode)

3. 

   Niki Yang

   BMO / Additional Voices (voice) (4 Episodes), BMO / Football (voice) (1 Episode)

4. 

   Hynden Walch

   Princess Bubblegum / Additional Voices (voice) (4 Episodes), Princess Bubblegum (voice) (1 Episode)

5. 

   John DiMaggio

   Jake / Additional Voices (voice) (4 Episodes), Jake (voice) (1 Episode)

6. 

   Pendleton Ward

   Lumpy Space Princess / Additional Voices (voice) (4 Episodes)

7. 

   Dee Bradley Baker

   Centipede / Crab (voice) (1 Episode), Molto Larvo (voice) (1 Episode)

8. Maria Bamford

   Sandy (voice) (1 Episode), Margaret (voice) (1 Episode)

9. 

   Ashly Burch

   Darling (voice) (1 Episode)

10. 

    Simone Giertz

    CGO (voice) (1 Episode)

11. 

    John Hodgman

    Shafter (voice) (1 Episode)

12. 

    Randall Park

    Hugo (voice) (1 Episode)

13. 

    Stephen Root

    Mr. M / Bob (voice) (1 Episode)

14. Cole Sanchez

    Cole / Lenny Longlegs (voice) (1 Episode)

15. 

    Michelle Wong

    KS-2 (voice) (1 Episode)

16. 

    Anthony Burch

    Sweetie (voice) (1 Episode)

17. 

    Olivia Olson

    Marceline (voice) (1 Episode)

18. 

    Michaela Dietz

    Glassboy (voice) (1 Episode)

19. 

    Audrey Bennett

    Young Marceline (voice) (1 Episode)

20. 

    Jeff Bennett

    Limeston / Choose Goose (voice) (1 Episode)

21. 

    Erica Luttrell

    Elise (voice) (1 Episode)

22. 

    Charlotte Nicdao

    See-Thru Princess / Ancient Glass Princess (voice) (1 Episode)

23. 

    Kevin Michael Richardson

    Sir Soda / Smudge (voice) (1 Episode)

24. 

    Aryan Simhadri

    Tiffany Oiler (voice) (1 Episode)

25. 

    Chris Fleming

    New Death (voice) (1 Episode)

26. Tom Herpich

    Mr. Fox (voice) (1 Episode)

27. 

    Kent Osborne

    Joshua (voice) (1 Episode)

28. 

    Ron Perlman

    The Lich (voice) (1 Episode)

29. 

    Mace Montgomery Miskel

    Pep (voice) (1 Episode)

30. 

    Steve Little

    Peppermint Butler (voice) / Abracadaniel (voice) (1 Episode)

31. 

    Chloe Coleman

    Cadebra (voice) (1 Episode)

32. 

    Bex Taylor-Klaus

    Blaine (voice) (1 Episode)

33. 

    Bill Hader

    Bufo (voice) (1 Episode)

34. 

    Toks Olagundoye

    Dr. Caledonius (voice) (1 Episode)

35. 

    John Omohundro

    Spader (voice) (1 Episode)

Series Crew 21