Ray Romano

Manfred (voice)

John Leguizamo

Sid (voice)

Denis Leary

Diego (voice)

Goran Višnjić

Soto (voice)

Jack Black

Zeke (voice)

Cedric the Entertainer

Carl (voice)

Stephen Root

Frank / Start (voice)

Diedrich Bader

Oscar (voice)

Alan Tudyk

Lenny / Freaky Mammal / Dab (voice)

Lorri Bagley

Jennifer (voice)

Jane Krakowski

Rachel (voice)

Peter Ackerman

Dodo / Freaky Mammal (voice)