Full Credits
28 members

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)
21 members
Basil Dearden
Director
Joan Davis
Continuity
Bert Batt
Assistant Director
Janet Green
Screenplay
John McCormick
Screenplay
Dirk Bogarde
Writer
Michael Relph
Producer
Denis Holt
Production Manager
Otto Heller
Director of Photography
H. A. R. Thomson
Camera Operator
George Courtney Ward
Still Photographer
Philip Green
Original Music Composer
Gordon K. McCallum
Sound Recordist
Les Wiggins
Sound Editor
C. C. Stevens
Sound Recordist
Philip Green
Conductor
Alex Vetchinsky
Art Direction
Vernon Dixon
Set Dresser
Harry Frampton
Makeup Artist
Barbara Ritchie
Hairdresser
John D. Guthridge
Editor