Mark Lewis

Karlheinz Böhm

Vivian

Moira Shearer

Helen Stephens

Anna Massey

Mrs. Stephens

Maxine Audley

Dora

Brenda Bruce

Arthur Baden

Esmond Knight

Mr. Peters

Bartlett Mullins

Elderly gentleman customer

Miles Malleson

Diane Ashley

Shirley Anne Field

Dr. Rosen

Martin Miller

Don Jarvis

Michael Goodliffe

Chief Inspector Gregg

Jack Watson

Milly

Pamela Green

Small Man (uncredited)

John Barrard

Shop Assistant on Film Set (uncredited)

Robert Crewdson

Det. Sgt. Miller (uncredited)

Nigel Davenport

Tony - Downstairs Lodger in Lewis' House (uncredited)

Brian Wallace

Mark's Father - A.N. Lewis (uncredited)

Michael Powell

Lorraine, the model (uncredited)

Susan Travers

Publicity chief (uncredited)

Maurice Durant

Assistant director (uncredited)

Brian Worth

Det. Baxter (uncredited)

Keith Baxter

Miss Simpson (uncredited)

Veronica Hurst

Clapper Boy (uncredited)

John Chappell

Store detective (uncredited)

Alan Rolfe

Young Man in Sports Car (uncredited)

Roland Curram

Police Doctor (uncredited)

John Dunbar

Girl Electrician (uncredited)

Paddi Edwards

Girl in Sports Car Leaving Studio (uncredited)

Cornelia Frances

le policier

William Baskiville

Lover in Garden (uncredited)

M. Le Compte

Lover in Garden (uncredited)

Mme. Le Compte

Young Man Embracing Girl (uncredited)

Pete Murray

Mark's Stepmother (uncredited)

Margaret Neale

Mark as a Child (uncredited)

Columba Powell

P. Tate - Studio Cameraman (uncredited)

Guy Kingsley Poynter

Mark's Mother on Deathbed (uncredited)

Frankie Reidy

Electrician #1 (uncredited)

Frank Singuineau

Mrs. Partridge (uncredited)

Peggy Thorpe-Bates

Policeman (uncredited)

Robert Vossler