Series Cast 63

1. 

   Thomas Middleditch

   Penn Zero (voice) (23 Episodes)

2. 

   Tania Gunadi

   Sashi Kobayashi (voice) (23 Episodes)

3. 

   Adam Devine

   Boone Wiseman (voice) (23 Episodes)

4. 

   Alfred Molina

   Rippen (voice) (23 Episodes)

5. 

   Larry Wilmore

   Larry (voice) (23 Episodes)

6. Sam Levine

   Phyllis (voice) (23 Episodes)

7. 

   Lea Thompson

   Vonnie (voice) (23 Episodes)

8. 

   Gary Cole

   Brock (voice) (23 Episodes)

9. 

   Rosie Perez

   Aunt Rose (voice) (23 Episodes)

10. 

    Lenny Venito

    Uncle Chuck (voice) (23 Episodes)

11. 

    Maria Bamford

    Mrs. Monkenfluffer (voice) (1 Episode), The President (voice) (2 Episodes), Land Shark (voice) (1 Episode)

12. 

    Maurice LaMarche

    Crispity Cockatoo (voice) (1 Episode), Troll (voice) (1 Episode), Unicorn Soldiers (voice) (1 Episode)

13. 

    Yvette Nicole Brown

    Boat Maria (voice) (3 Episodes)

14. 

    Sonequa Martin-Green

    Pirate Maria (voice) (3 Episodes)

15. 

    Kevin Michael Richardson

    Mountain Beast (voice) (1 Episode), Dr. Hissy (voice) (1 Episode)

16. 

    Dee Bradley Baker

    Tony the Elephant (voice) (1 Episode), (voice) (1 Episode)

17. 

    Jess Harnell

    Vocalist (voice) (1 Episode), Old Man Middleberg (voice) (1 Episode)

18. 

    Rena Strober

    Orchid / Rootilda (voice) (1 Episode), Hotel Reviewer (voice) (1 Episode)

19. 

    Fred Tatasciore

    Grinkon (voice) (1 Episode), Mr. Egsgard (voice) (1 Episode)

20. 

    Paul Reubens

    The Milkman (voice) (1 Episode), The Butterman (voice) (1 Episode)

21. 

    Brandon Scott

    Alex (voice) (2 Episodes)

22. 

    Sean Astin

    Blaze (voice) (2 Episodes)

23. Paul Alborough

    Mayor Direginald Hindenburg (voice) (2 Episodes)

24. 

    Curtis Armstrong

    Super Amazing Bouncy Ball (voice) (2 Episodes)

25. 

    Elizabeth Henstridge

    Princess Argelbleccht Blunkenthorthph (voice) (2 Episodes)

26. 

    Diana Rigg

    Mayor Pink Panda (voice) (2 Episodes)

27. 

    Jeff Ross

    Sonny (voice) (2 Episodes)

28. 

    Marc Maron

    Piv (voice) (2 Episodes)

29. 

    Lauren Lapkus

    Matilda (voice) (2 Episodes)

30. 

    Yael Stone

    General Bighorn (voice) (1 Episode)

31. 

    Bill Nye

    Himself (voice) (1 Episode)

32. 

    John DiMaggio

    Hooded Pixie (voice) (1 Episode)

33. 

    Peter Stormare

    Rufus (voice) (1 Episode)

34. 

    Jeff Bennett

    Eight Ball (voice) (1 Episode)

35. 

    Kari Wahlgren

    Bowling Ball (voice) (1 Episode)

36. 

    Pete Holmes

    Ryan (voice) (1 Episode)

37. 

    JB Blanc

    Captain of the Guard (voice) (1 Episode)

38. 

    Michelle Fairley

    Queen Igneous (voice) (1 Episode)

39. 

    Jennifer Veal

    Princess Magma (voice) (1 Episode)

40. 

    George Takei

    Sylvester Kobayashi (voice) (1 Episode)

41. 

    Lauren Tom

    Tia Kobayashi (voice) (1 Episode)

42. Jeffrey Perlmutter

    Uncle Beardy (voice) (1 Episode)

43. 

    Hynden Walch

    Yumi (voice) (1 Episode)

44. 

    Michael Chandler

    Arata (voice) (1 Episode)

45. 

    Roger Craig Smith

    Hideo (voice) (1 Episode)

46. 

    Steve Blum

    Snow Monkey Bus (voice) (1 Episode)

47. 

    Judith Light

    Mrs. Wright (voice) (1 Episode)

48. 

    Reginald VelJohnson

    Flannigan (voice) (1 Episode)

49. 

    Brad Kane

    "Handsome" Grinkon (voice) (1 Episode)

50. Vartan Nazarian

    Fern (voice) (1 Episode)

51. 

    Neil Kaplan

    Club Owner (voice) (1 Episode)

52. 

    Cree Summer

    The Merchant (voice) (1 Episode)

53. 

    Fiona Shaw

    Hedwin (voice) (1 Episode)

54. 

    Vince Gilligan

    Axalon (voice) (1 Episode)

55. 

    Alex Kingston

    Vlurgen (voice) (1 Episode)

56. 

    Mark Hamill

    Adam Tom-Kat Badawy (voice) (1 Episode)

57. 

    Olivia Holt

    Amber Briggs (voice) (1 Episode)

58. 

    Beau Bridges

    Sheriff Scaley Briggs (voice) (1 Episode)

59. 

    Blake Anderson

    Hogarth (voice) (1 Episode)

60. 

    James Hong

    Windmill Monster (voice) (1 Episode)

61. 

    Henry Winkler

    The Snowman (voice) (1 Episode)

62. 

    Adam West

    Captain Super Captain / Professor Evil Professor (voice) (1 Episode)

63. 

    Tress MacNeille

    General Talon (voice) (1 Episode)

Series Crew 25