Tony Wendice

Ray Milland

Margot Mary Wendice

Grace Kelly

Mark Halliday

Robert Cummings

Chief Inspector Hubbard

John Williams

Charles Alexander Swann/Captain Lesgate

Anthony Dawson

The Storyteller

Leo Britt

Det. Pearson

Patrick Allen

William

George Leigh

Detective Williams

George Leigh

The Detective

George Alderson

Police sergeant

Robin Hughes

Man in Photo

Alfred Hitchcock

Banquet Member

Richard Bender

Detective

Robin Sanders Clark

Bobby

Jack Cunningham

Police Photographer

Robert Dobson

Detective

Guy Doleman

Woman Departing Ship

Bess Flowers

Undetermined Role

Michael Hadlow

Banquet Member

Herschel Graham

Men's Club Party Member

Harold Miller

Judge at Margot's Trial

Forbes Murray

Waiter at Stag Dinner

William H. O'Brien

Ship Passenger

Monty O'Grady

Banquet Member

Ben Pollock

Detective

Thayer Roberts

Dock Hand

Ray Spiker

Banquet Member

Norman Stevans

Man in Phone Booth

Sam Harris

Director

Alfred Hitchcock