Doris Day
Jennifer Nelson
Rod Taylor
Bruce Templeton
Arthur Godfrey
Axel Nordstrom
John McGiver
Ralph Goodwin
Paul Lynde
Homer Cripps
Edward Andrews
Gen. Wallace Bleecker
Eric Fleming
Edgar Hill
Dom DeLuise
Julius Pritter
Dick Martin
Zack Molloy
Elisabeth Fraser
Nina Bailey
Alice Pearce
Mabel Fenimore
George Tobias
Norman Fenimore
Ellen Corby
Anna Miller
Dee J. Thompson
Donna
Robert Vaughn
Napoleon Solo (uncredited)
Regina Carrol
Minor Role (uncredited)
Theo Marcuse
Gregor
Carolyn Williamson
Party girl
Rachel Romen
Reporter (uncredited)
George Carlin
Unknown (uncredited)
George Cisar
Fat Man (uncredited)
John Dennis
Policeman (uncredited)
Florence Halop
Lady on Telephone (uncredited)
Frank Parker
Engineer (uncredited)
Christopher Riordan
Party Guest / Computer Plant Worker (uncredited)
Tom Anfinsen
Party Guest (uncredited)
Spencer Chan
Chef (uncredited)
George Ford
Party Guest (uncredited)
James Gonzalez
Party Guest (uncredited)
Theo Marcuse
Gregor - Spy with Cigar (uncredited)
Hans Moebus
Party Guest (uncredited)
Joe Ploski
Husband (uncredited)
Murray Pollack
Party Guest (uncredited)
Bernard Sell
Party Guest (uncredited)
Frank Tashlin
Director
Everett Freeman
Writer
Barbara Lampson
Hairstylist
Harry Maret
Makeup Artist
John Truwe
Makeup Artist
William Tuttle
Makeup Supervisor
Dee Manges
Makeup Artist
J. McMillan Johnson
Visual Effects
Carroll L. Shepphird
Visual Effects
Albert Woodbury
Orchestrator
Van Allen James
Sound Editor
Franklin Milton
Sound
Everett Freeman
Producer
Martin Melcher
Producer
Frank De Vol
Original Music Composer
Leon Shamroy
Director of Photography
John McSweeney Jr.
Editor
Edward C. Carfagno
Art Direction
George W. Davis
Art Direction
Henry Grace
Set Decoration
Hugh Hunt
Set Decoration
Edward Woehler
Unit Production Manager
Al Jennings
Assistant Director
Dick Dial
Stunts
Louie Elias
Stunts
Fred Hakim
Stunt Coordinator