Carlos Alazraqui
Lazlo / Clam / Hippo / Bear (voice)
Tom Kenny
Lumpus / Slinkman / Beaver (voice)
Jeff Bennett
Raj / Samson / Hoo Ha / Walrus (voice)
Mr. Lawrence
Edward / Ping Pong / Dave (voice)
Steve Little
Chip / Skip / Louis Lemming / Larry Lemming (voice)
Fred Tatasciore
Big Bear (voice)