Doris Day
Role: Jennifer Nelson
Rod Taylor
Role: Bruce Templeton
Arthur Godfrey
Role: Axel Nordstrom
John McGiver
Role: Ralph Goodwin
Paul Lynde
Role: Homer Cripps
Edward Andrews
Role: Gen. Wallace Bleecker
Eric Fleming
Role: Edgar Hill
Dom DeLuise
Role: Julius Pritter
Dick Martin
Role: Zack Molloy
Elisabeth Fraser
Role: Nina Bailey
Alice Pearce
Role: Mabel Fenimore
George Tobias
Role: Norman Fenimore
Ellen Corby
Role: Anna Miller
Dee J. Thompson
Role: Donna
Robert Vaughn
Role: Napoleon Solo (uncredited)
Carolyn Williamson
Role: Party girl
Rachel Romen
Role: Reporter (uncredited)
George Carlin
Role: Unknown (uncredited)
George Cisar
Role: Fat Man (uncredited)
John Dennis
Role: Policeman (uncredited)
Florence Halop
Role: Lady on Telephone (uncredited)
Frank Parker
Role: Engineer (uncredited)
Christopher Riordan
Role: Party Guest / Computer Plant Worker (uncredited)
Tom Anfinsen
Role: Party Guest (uncredited)
Spencer Chan
Role: Chef (uncredited)
George Ford
Role: Party Guest (uncredited)
James Gonzalez
Role: Party Guest (uncredited)
Theo Marcuse
Role: Gregor - Spy with Cigar (uncredited)
Hans Moebus
Role: Party Guest (uncredited)
Joe Ploski
Role: Husband (uncredited)
Murray Pollack
Role: Party Guest (uncredited)
Bernard Sell
Role: Party Guest (uncredited)