Richard Todd

as Victor Webster

Robert Morley

as Montgomery

Dudley Sutton

as Stanley Herbert "Stan" Coulter

Ronald Lacey

as William Henry "Billy" Herne

Jess Conrad

as Brian Harold "Barney" Lee

Tony Garnett

as James Alan "Ginger" Thompson

Wilfrid Brambell

as Norman Albert Brewer

Felix Aylmer

as Judge

David Lodge

as Mr. Herne

Patrick Magee

as Mr. Lee

Allan Cuthbertson

as Randolph St. John

Colin Gordon

as Gordon Percy Lonsdale

Kenneth J. Warren

as George Henry Tanner

Wensley Pithey

as Mr. Coulter

Carol White

as Evelyn May

Betty Marsden

as Mrs. Herne

Mavis Villiers

as Anne Celia Barker

Patrick Newell

as Tom Crowhurst

Rita Webb

as Mrs. Lee

Roy Kinnear

as Mark Salmon

Hilda Fenemore

as Mrs. Thompson

Kevin Stoney

as Police Inspector at the Trial (uncredited)

Olga Dickie

as Mrs. Coulter

Laurence Hardy

as Patmore

Charles Morgan

as Samuel Wallace

Tom Chatto

as Morris

Harold Scott

as Caldwell

George Moon

as Mr. Champneys

Lloyd Lamble

as Insp. Larner

Ian Fleming

as Clerk of the Court (uncredited)

Terry Richards

as Dance Hall Patron (uncredited)

Guy Standeven

as Juror (uncredited)

Brian Weske

as Club Announcer (uncredited)

Ian Wilson

as (uncredited)