Seth Rogen

B.O.B. (voice)

Kiefer Sutherland

General W.R. Monger (voice)

David Kaye

The Missing Link (voice)

Julie White

Wendy Murphy (voice)

Jeffrey Tambor

Carl Murphy (voice)

James Horan

Dr. Cockroach (voice)

Bret Marnell

Zombie Carrot (voice)

Stephen Kearin

Cowboy Guy (voice)