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)