Peter Sellers

Hrundi V. Bakshi

Claudine Longet

Michele Monet

Jean Carson

Nanny

Marge Champion

Rosalind Dunphy

Al Checco

Bernard Stein

Frances Davis

Maid

Danielle De Metz

Stella D'Angelo

Herbert Ellis

Director

Steve Franken

Levinson

James Lanphier

Harry

Buddy Lester

Davey Kane

Gavin MacLeod

C. S. Divot

Fay McKenzie

Alice Clutterbuck

J. Edward McKinley

Fred Clutterbuck

Denny Miller

'Wyoming Bill' Kelso

Carol Wayne

June Warren

Linda Gaye Scott

Starlet

Timothy Scott

Gore Pontoon

Helen Kleeb

Secretary

Vin Scully

Himself - baseball announcer (archive sound)

John McKee

Policeman (uncredited)