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

Mavis Villiers

Madge

Charles Lloyd Pack

Henry

Hilton Edwards

P.H.

Noel Howlett

Patterson

Alan Howard

Frank

Frank Thornton

George - Henry's Assistant (uncredited)

John Bennett

Undercover Detective (uncredited)

Basil Dignam

Barrister (uncredited)

Jim Brady

Transport Cafe Patron (uncredited)

Nora Gordon

Farr's Housekeeper (uncredited)