Milo the Monster Handler (voice)
Fritz (voice)
Rootie (voice)
Self - Interviewee
Construction Worker Fennwick (voice)
Hamm (voice)
Hamm (voice)
Hamm (voice)
Hamm (voice)
Daniel Nilwater
Underminer (voice)
Grandpa Growl (voice)
Conrad Baines
Juan Ortodoncia (voice)
Salty (voice)
Mack (voice)
Mutt (voice)
Husband Crab (Bill) (voice)
Dr. Charles Burke
Mr. Hartz
Earl (voice)
Fritz (voice)
Mick Vaughn
Warden / Warden Jeffrey Mitchell
Officer Bender (voice)
Logan Walker
Brodi (voice)
Reverend Thomas
Harland (voice)
Marvin 'Gramps' Livingstone
Yeti (voice)
George
Hamm (voice)
Gordon (voice)
Ernest Otto
Clayton
Earl T. Barnum
Hamm (voice)
Hamm (voice)
Mack (voice)
Mike the Angel
Hamm (voice)
Construction Foreman Tom (voice)
Joe Noll
John (voice)
Art Leroldi
P.T. Flea (voice) (uncredited)
Yeti (voice) (archive footage)
Mustafa (voice)
Jim Carter
Controller #1 (archive footage)
Mack / Hamm Car / Abominable Snow Plow / P.T. Flea Car (voice)
Underminer (voice)
Fish School (voice)
Charlie Halloran
Yeti (voice)
Clay Fairfield, P.I.
Hamm the Piggy Bank (voice)
Mickey
P.T. Flea (voice)
Audience Member (uncredited)
Al Calavito
Goat (voice)
Dusty
Hamm (voice)
Hamm (voice)
Marvin Schector
Cliff Clavin
Cliff Clavin
John Ratzenberger (uncredited)
General Joe Brodsky
Mr. Barnett
Detective
Policeman
American Lieutenant
Chief Peck
Communist Leader (uncredited)
Policeman
Tarlow
Jimmy
Controller
Drummer
Major Derlin
Cpl Cook
Achmed
Sgt. John Lucas
Hal Leonard
1st Controller
Newshound
U.S. Lieutenant
Sgt. Kopecki
Patron
