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)
                                    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)
La blonde défie le FBI
Released