Laraine Newman
Gran (voice) (148 eps)
Dan Milano
Grug (voice) (147 eps)
Grey DeLisle
Sandy (voice) (141 eps)
A.J. LoCascio
Thunk (voice) (138 eps)
Cree Summer
Ugga (voice) (118 eps)
Stephanie Lemelin
Eep (voice) (97 eps)
Dee Bradley Baker
Teacher Squawk (voice) (56 eps)
Dominic Catrambone
Sulk (voice) (35 eps)
Chris Parnell
Snoot (voice) (28 eps)
Thomas Lennon
Munk (voice) (20 eps)
Ana Gasteyer
Meep (voice) (8 eps)
Christian Slater
Gurg (voice) (3 eps)
Chris Sanders
Belt (voice) (3 eps)
Malcolm McDowell
Skermiggleflop (voice) (1 eps)
Kevin Michael Richardson
Smooth (voice) (1 eps)