Karlheinz Böhm
Mark Lewis
Acting
Anna Massey
Helen Stephens
Acting
Moira Shearer
Vivian
Acting
Maxine Audley
Mrs. Stephens
Acting
Brenda Bruce
Dora
Acting
Miles Malleson
Elderly Gentleman Customer
Acting
Esmond Knight
Arthur Baden
Acting
Michael Goodliffe
Don Jarvis
Acting
Jack Watson
Chief Insp. Gregg
Acting
Shirley Anne Field
Pauline Shields
Acting
Pamela Green
Milly
Acting
John Barrard
Small Man (uncredited)
Acting
Robert Crewdson
Shop Assistant on Film Set (uncredited)
Acting
Nigel Davenport
Det. Sgt. Miller (uncredited)
Acting
Michael Powell
Mark's Father - A.N. Lewis (uncredited)
Directing
Susan Travers
Lorraine the Model (uncredited)
Acting
Martin Miller
Dr. Rosen
Acting
Keith Baxter
Det. Baxter (uncredited)
Acting
John Chappell
Clapper Boy (uncredited)
Acting
Roland Curram
Young Man in Sports Car (uncredited)
Acting
John Dunbar
Police Doctor (uncredited)
Acting
Maurice Durant
Publicity Chief (uncredited)
Acting
Paddi Edwards
Girl Electrician (uncredited)
Acting
Cornelia Frances
Girl in Sports Car Leaving Studio (uncredited)
Acting
Veronica Hurst
Miss Simpson - Jarvis' Secretary (uncredited)
Acting
M. Le Compte
Lover in Garden (uncredited)
Acting
Mme. Le Compte
Lover in Garden (uncredited)
Acting
Bartlett Mullins
Mr. Peters - News Agent Shop Owner (uncredited)
Acting
Pete Murray
Young Man Embracing Girl (uncredited)
Acting
Margaret Neale
Mark's Stepmother (uncredited)
Acting
Columba Powell
Mark as a Child (uncredited)
Acting
Guy Kingsley Poynter
P. Tate - Studio Cameraman (uncredited)
Acting
Frankie Reidy
Mark's Mother on Deathbed (uncredited)
Acting
Alan Rolfe
Store Detective (uncredited)
Acting
Frank Singuineau
Electrician #1 (uncredited)
Acting
Peggy Thorpe-Bates
Mrs. Partridge (uncredited)
Acting
Robert Vossler
Policeman (uncredited)
Acting
Brian Wallace
Tony - Downstairs Lodger in Lewis' House (uncredited)
Acting
Brian Worth
Assistant Director (uncredited)
Acting
Jack Carter
St John's Medic (uncredited)
Acting