Louis Hayward

Simon Templar

Naomi Chance

Carol Denby

Sydney Tafler

Max Lennar

Charles Victor

Chief Insp. Claud Teal

Jane Carr

Kate Finch

Harold Lang

Jarvis

William Russell

Keith Merton

Diana Dors

The Blonde in Lennar's Apartment

Fred Johnson

Irish Cassidy

Thomas Gallagher

Hoppy Uniatz

Russell Napier

Col. Stafford

Sam Kydd

Barkley

John Wynn

Man

George Margo

Lennar's Henchman

Ian Fleming

Lord Merton

Ernest Blyth

Party Guest (uncredited)

Erik Chitty

Older gang member (uncredited)

Jack Mandeville

Party Guest (uncredited)

Bunny Seaman

Gambler (uncredited)

Ian Selby

Gambler (uncredited)

John Smart

Merton Party Guest (uncredited)

Harry Van Engel

Safari Club patron (uncredited)

Ian Wilson

Man Waiting for Telephone Booth (uncredited)