Dr. Albert T. Hopfnegal
Peter Sellers
Alice Gilligan
Jo Ann Pflug
Katzen
Norman Alden
Oscar
William Elliott
Girl at Party (uncredited)
Uschi Digard
Lester Hammond
Rick Lenz
Dr. Herman Zerny
Harold Gould
Nurse Lamarr
Eve Bruce
George Leffingwell, Hospital Commissioner
J. Edward McKinley
Nurse Throttle
Hope Summers
Harry Nishimoto
Pat Morita
Dr. Paolo Quagliomo
Brett Halsey
Mrs. Manzzini
Kathleen Freeman
Dialogue
Biff Elliot
Production Manager
David Hawks
Sound mixer
John Speak
Makeup Artist
Del Acevedo
Director
Rod Amateau
Property Master
"Jockey" Liebgold
Novel
Director of Photography
Brick Marquard
Production Design
Tony Sarzi-Braga
Production Office Assistant
William Flannigan
Construction Foreman
Dave Smith
Producer
John Marwick
Boom Operator
John McDonald
Music
Keith Allison
Susan Perkins
Rosalee Berman
Executive Producer
Josef Shaftel
Script Supervisor
Duane Toler
Costume Design
Frank Tauss
William Schwartz
Location Manager
Frank Tucker
Budd Robinson
Art Department Coordinator
Jack Morrisey
Casting
Bonnie Godfrey
Assistant Director
William Lasky
Art Direction
Michael D. Haller
Frank Bueno