Peter Sellers as Chief Inspector Clouseau

Herbert Lom as Chief Inspector Dreyfus

Dyan Cannon as Simone Legree

Robert Webber as Philippe Douvier

Robert Loggia as Al Marchione

Paul Stewart as Julio Scallini

Adrienne Corri as Therese Douvier

Douglas Wilmer as Police Commissioner

Alfie Bass as Fernet

Sue Lloyd as Claude Russo

Tony Beckley as Guy Algo

Graham Stark as Dr. Auguste Balls

André Maranne as François

Ferdy Mayne as Dr. Paul Laprone

Valerie Leon as Tanya

Elisabeth Welch as Mrs. Wu

Charles Augins as Vic Vancouver

Lon Satton as Sam Spade and the Private Eyes

Danny Schiller as Cunny

Burt Kwouk as Cato Fong

Irvin Allen as Haig & Haig

Robert Labassiere as Haig & Haig

John Wyman as Toledo

Rosita Yarboy as Sam Spade and the Private Eyes

Keith Hodiak as Sam Spade and the Private Eyes

Pepsi Maycock as Sam Spade and the Private Eyes

Anthony Chinn as Chinese Doorman

Kristopher Kum as Chinese Businessman

Maureen Tann as Chinese Lady of Easy Virtue

Me Me Lai as Chinese Lady of Easy Virtue

Jacqui Simm as Chinese Lady of Easy Virtue

Fiesta Mei Ling as Chinese Lady of Easy Virtue

Alec Bregonzi as Douvier's Boardmember

Arnold Diamond as Douvier's Boardmember

John G. Heller as Douvier's Boardmember

David King as Douvier's Boardmember

Steve Plytas as Douvier's Boardmember

Fredric Abbott as Douvier's Soldier

Norman Hartley as Douvier's Soldier

Paul Antrim as Lookout

John Newbury as President

John Clive as President's Aide

Brian Jackson as Police Chief

Margaret Anderson as Police Chief's Wife

Andrew Lodge as Police Sergeant

Henry McGee as Officer Bardot

Andrew Sachs as Hospital Inmate

Christine Shaw as Nurse

Julian Orchard as Hospital Clerk

Michael Ward as Real Estate Agent

Maria Charles as Lady Client

Frank Williams as Gentleman Client

Rita Webb as Lady at Window

John Bluthal as Guard at Cemetery

John A. Tinn as Mr. Chow

Keen Jing as Assistant Manager

Bernie R. Hickban as Desk Clerk

Ed Parker as Mr. Chong (uncredited)

Barrie Holland as Nightclub Guest (uncredited)