Laraine Newman
Amber (voice) (36 eps)
Dan Milano
Womp (voice) (35 eps)
Grey DeLisle
Lerk (voice) (35 eps)
A.J. LoCascio
Thunk (voice) (32 eps)
Cree Summer
Ugga (voice) (31 eps)
Stephanie Lemelin
Clip / Mal (voice) (29 eps)
Dee Bradley Baker
Squawk / Bulk / Bear Owl (voice) (13 eps)
Chris Parnell
Snoot (voice) (9 eps)
Dominic Catrambone
Kevin (voice) (8 eps)
Thomas Lennon
Munk (voice) (5 eps)
Christian Slater
Gurg (voice) (1 eps)
Ana Gasteyer
Meep (voice) (1 eps)