Peter Sellers
Hrundi V. Bakshi
Claudine Longet
Michele Monet
Natalia Borisova
Ballerina
Jean Carson
Nanny
Marge Champion
Rosalind Dunphy
Al Checco
Bernard Stein
Corinne Cole
Janice Kane
Dick Crockett
Wells
Frances Davis
Maid
Danielle De Metz
Stella D'Angelo
Herbert Ellis
Director
Paul Ferrara
Ronnie Smith
Steve Franken
Levinson
Kathe Green
Molly Clutterbuck
Allen Jung
Cook
Sharron Kimberly
Princess Helena
James Lanphier
Harry
Buddy Lester
Davey Kane
Stephen Liss
Geoffrey Clutterbuck
Gavin MacLeod
C. S. Divot
Jerry Martin
Bradford
Fay McKenzie
Alice Clutterbuck
J. Edward McKinley
Fred Clutterbuck
Denny Miller
'Wyoming Bill' Kelso
Elianne Nadeau
Wiggy
Thomas W. Quine
Congressman Dunphy
Carol Wayne
June Warren
Donald R. Frost
Drummer
George Winters
Cliff Hanger
Linda Gaye Scott
Starlet
Timothy Scott
Gore Pontoon
Ken Wales
Assistant Director
Helen Kleeb
Secretary
Vin Scully
Himself - baseball announcer (archive sound)
Loren Brown
Special Effects Man (uncredited)
Ralph Gambina
Crew Member (uncredited)
Jeff Lawrence
Crew Member (uncredited)
John McKee
Policeman (uncredited)