Nolan North

Lou Giotti

Dutch TV Announcer (voice)

(voice)

Donald Flum

Leonard Nimoy (voice)

College Professor (voice)

DEA Agent (voice)

Canoe Rental Cashier (voice)

Ken Walker

Additional Voices (voice)

Vice President Dwayne (voice)

Alien News Anchorman / Agent Gribbles (voice)

Michael / Priest (voice)

Cake or Fake? Contestant (voice)

(voice)

Gromflomite Commander / Gromflomite Soldier / Additional Voices (voice)

Alien Waiting in Line / Special Agent Mongo Bongo (voice)

Anderson Cooper / Tom Hanks (voice)

Jerry's High School Friend (voice)

Tony Hawk / Marvin the Cowardly Security Guard (voice)

Assimilated Alien 2 (voice)

Scroopy Noopers (voice)

Doug Jamerson / Alien Police Officer (voice)

Winslow (voice)