Arthur Prohack
Cecil Parker
Charles Prohack
Dirk Bogarde
Dr. Viega
Frederick Valk
Polish Man Servant
Charles Goldner
Cartwright
Russell Waters
Sir Digby Bunce
Henry Edwards
Carrell Quire
James Hayter
Mrs. Griggs
Ada Reeve
Nursie
Frances Waring
Laura Postern
Judith Furse
The Director General
Frederick Leister
Benny Erivangian
Elwyn Brook-Jones
Eve Prohack
Hermione Baddeley
Tailor's Assistant (uncredited)
Eric Berry
Mr. Prohack's Personal Assistant (uncredited)
Janet Burnell
Hat Salesman (uncredited)
Ian Carmichael
Actress (uncredited)
Anne Gunning
Turkish Bath Attendant (uncredited)
Humphrey Heathcote
Pageboy (uncredited)
Desmond Newling
Mr. Bishop (uncredited)
Lloyd Pearson
Orchestra Leader (uncredited)
Stanelli
Taxi Driver (uncredited)
Jerry Verno
Mary Prohack
Sheila Sim
Mimi Warburton
Glynis Johns
Oswald Morfrey
Denholm Elliott
Plover
Jon Pertwee
Lady Maslam
Heather Thatcher
Sir Paul Spinner
Campbell Cotts
Tony
Bryan Forbes
Director
Thornton Freeland
Novel
Arnold Bennett
Writer
Donald Bull
Ian Dalrymple
Producer
Original Music Composer
Temple Abady
Editor
Sidney Stone
Director of Photography
H.E. Fowle
Theatre Play
Edward Knoblock
Boom Operator
George Paternoster
Still Photographer
Max Rosher
Associate Producer
Dennis Van Thal
Art Direction
Frederick Pusey
Costume Design
Beatrice Dawson
Hairstylist
Betty Baugh
Makeup Artist
Jim Hydes
Production Manager
Raymond Anzarut
Assistant Director
Geoffrey Lambert
Sound Mixer
Stanley Lambourne
Sound Editor
Peter Seabourne
Camera Operator
Robert Huke
Costume Supervisor
Evelyn Brierley
Conductor
Muir Mathieson
Continuity
Pauline Roberts