Boyd
Boyd
Insp. Pete Putrid
James Riley
Dudley Laywicker
Sheriff Parsons
Party Guest (uncredited)
Alan Mordecai
Mr. James
Cmd. Edward Plank
Cmd. Edward Plank
Cmd. Edward Plank
Sam Tate
Preston Pickett Ph.D.
Duane
Professor, Max
Francaise Flowers
Uncle Gus
Giant
Mr. Feemster
Brother Timothy
Mike Ditlow
Mr. Hodgkins
Robert
Calvin Burrows
Snipes
Gordon Szalinski
Sweeney
Director #1 (Restaurant)
Jimmy
Insurance Agent
Pritchard
Sigmund Freud
Dr. Plank
Aaron Deutsch
The Professor / M.A.X. (voice)
Nicky LaBelle
Dr. Bellows
Smoker in Fur Coat
Mr. Victim
Perenti Lizard / Father Penguin
Gerry
Man in the Maternity Ward
Pat Wonders
Santa Sam
Jace Sampson
Marv
Mr. Brodsky
Dr. Adelman
Key Negotiator (voice)
Mr. Handy
Andy Bevins
Jacques de Courville
Doctor
Earl Sinclair (voice)
Stanley Chamberlain
Mr. Gottlieb
Benny Appleman
Doctor Cardy (voice)
Dr. Tanner (voice)
Judge Gilbert Potts
Self
Kurt Fust
Mike Dooley
Condiment King (voice)
Ben Heineman
Dr. Bellows
Mr. Batrachian
Mr. DeJack
Mr. Grozowtski
Mark Gerard
Mr. Shoope
Donald (uncredited)
Anthony Moreau
Alex Fleischer
Principal Yancy
Santa Claus
Bill Rothstein
Scalawag Jones