Dirk Bogarde

Melville Farr

Sylvia Syms

Laura Farr

Dennis Price

Calloway

Anthony Nicholls

Lord Charles Fullbrook

Peter Copley

Paul Mandrake

Norman Bird

Harold Doe

Peter McEnery

Jack Barrett

Donald Churchill

Eddy Stone

Derren Nesbitt

Sandy

John Barrie

Inspector Harris

John Cairney

Bridie

Alan MacNaughtan

Scott Hankin

Nigel Stock

Phip

Frank Pettitt

Barman (as Frank Pettit)

Mavis Villiers

Madge

Charles Lloyd Pack

Henry

Hilton Edwards

P.H.

Margaret Diamond

Miss Benham

David Evans

Mickey

Noel Howlett

Patterson

Alan Howard

Frank

Dawn Beret

Sylvie

Frank Thornton

George - Henry's Assistant (uncredited)

John Bennett

Undercover Detective (uncredited)

Basil Dignam

Barrister (uncredited)

Jim Brady

Transport Cafe Patron (uncredited)

Jack Taylor

Building Site Foreman (uncredited)

Nora Gordon

Farr's Housekeeper (uncredited)