Ben Diskin

as Humphrey

Kate Higgins

as Kate / Lilly / Stinky (voice)

Christopher Corey Smith

as Marcel / Paddy (voice)

Debi Derryberry

as Runt (voice) (as Dee Dee Greene)

Marieve Herington

as Claudette (voice) (as Lindsay Torrance)

Larry Thomas

as Winston (voice)

R. Martin Klein

as Tony (voice) (as Bill Lader)

Cindy Robinson

as Eve (voice)