Mr. H.
Oliver Most
Warren Whitcomb
Mr. Vogel
Bill Cowens
Male Diner (uncredited)
Mark McKenna Sr.
Arthur
Dr. Sam Helburn
Dr. William Mailer / Friedrich Mahler
Phillips
Mr. Howard
Mapes
Lewis Crandall
Lt. John France (as Bud T. Chud)
Phil Simpson
Stan Garrett
Stanley Hoyle
Norvell Walker
Charlie
Billy Morrison
Curt
Technician Nessler
Stanley
Ray Track
Parker Braithwaite
Beef (archive footage) (uncredited)
Rodzinski
Jeremy
Bob Spinnaker
Brian
Jeff
James Byrd
The Fisherman
Highpockets
Walter Gabler
Dr. Vinton
Swivot
Perman Waters
Carver Blackwood
Freddie
Magic Ray
Daniel
Calvin McCoy
Curley
Earl Gates
Ape Suited Party Guest
Gerrit Wood
Lloyd Clay