Series Cast 38

1. 

   Eden Sher

   Star Butterfly (voice) (24 Episodes)

2. 

   Adam McArthur

   Marco Diaz (voice) (24 Episodes)

3. 

   Alan Tudyk

   Ludo (voice) / King River Butterfly (voice) (24 Episodes)

4. 

   Jeff Bennett

   Bearicorn (voice) (5 Episodes), Francis (voice) (1 Episode), Bearicorn / Giraffe Monster (voice) (1 Episode), Principal Skeeves (voice) (3 Episodes), Gemini (voice) (1 Episode), Francis / Justin / Spider Tour Guide (voice) (1 Episode)

5. 

   Grey DeLisle

   Jackie Lynn Thomas (voice) (6 Episodes), Queen Moon Butterfly (voice) (3 Episodes), Queen Moon Butterfly / Jackie Lynn Thomas (voice) (1 Episode)

6. 

   Fred Tatasciore

   Sloth Worker (voice) (1 Episode), Beard Deer (voice) (1 Episode), Buff Frog (voice) (7 Episodes)

7. 

   Nate Torrence

   Ferguson (voice) (8 Episodes)

8. 

   Matt Chapman

   Alfonzo (voice) (6 Episodes)

9. 

   Artt Butler

   Mr. Diaz (voice) (6 Episodes)

10. 

    DeeDee Rescher

    Miss Skullnick (voice) (5 Episodes)

11. 

    Mark Gagliardi

    Man Arm (voice) (1 Episode), Conjoinican (voice) (3 Episodes), Boo Fly (voice) (1 Episode)

12. 

    Daron Nefcy

    Sabrina (voice) (2 Episodes), StarFan13 (voice) (2 Episodes)

13. 

    Michael C. Hall

    Toffee (voice) (4 Episodes)

14. 

    Nia Vardalos

    Mrs. Diaz (voice) (4 Episodes)

15. 

    Abby Elliott

    Janna Ordonia (voice) (3 Episodes)

16. 

    Minae Noji

    Brittney Wong (voice) (3 Episodes)

17. 

    Joshua Rush

    Jeremy Birnbaum (voice) (3 Episodes)

18. 

    Jon Heder

    Oskar Greason (voice) (3 Episodes)

19. 

    Brian Posehn

    Lobster Claws (voice) (2 Episodes)

20. 

    Jenny Slate

    Pony Head (voice) (2 Episodes)

21. 

    Maurice LaMarche

    King Pony Head (voice) (2 Episodes)

22. 

    Dee Bradley Baker

    Hydra (voice) (1 Episode), Yarn Monster (voice) (1 Episode)

23. 

    Nick Swardson

    Sensei (voice) (2 Episodes)

24. 

    Rider Strong

    Tom Lucitor (voice) (2 Episodes)

25. 

    Jeffrey Tambor

    Glossaryck (voice) (2 Episodes)

26. 

    Corey Burton

    Monster Arm (voice) (1 Episode)

27. 

    Rob Paulsen

    Gustav (voice) (1 Episode)

28. 

    April Winchell

    Riddle Sphinx (voice) (1 Episode)

29. 

    Danny Woodburn

    Pixie Taskmaster (voice) (1 Episode)

30. 

    Anna Camp

    Pixie Empress (voice) (1 Episode)

31. 

    Arif S. Kinchen

    Princess Smooshy (voice) (1 Episode)

32. 

    Stephen Root

    Brian (voice) (1 Episode)

33. 

    Gwendoline Yeo

    Mrs. Liao (voice) (1 Episode)

34. 

    Jim Gaffigan

    Father Time (voice) (1 Episode)

35. 

    Jamie Kennedy

    Helios (voice) (1 Episode)

36. 

    Jessica Walter

    Miss Heinous (voice) (1 Episode)

37. 

    Jodi Benson

    Singing Teacher (voice) (1 Episode)

38. Lyons Mathias

    Laser Puppy (voice) (1 Episode)

Series Crew 31