Le Voyeur

Karlheinz Böhm

Mark Lewis

Moira Shearer

Vivian

Anna Massey

Helen Stephens

Maxine Audley

Mrs. Stephens

Brenda Bruce

Dora

Miles Malleson

Elderly Gentleman Customer

Esmond Knight

Arthur Baden

Martin Miller

Dr. Rosen

Michael Goodliffe

Don Jarvis

Jack Watson

Chief Insp. Gregg

Shirley Anne Field

Pauline Shields

Pamela Green

Milly

John Barrard

Small Man (uncredited)

Robert Crewdson

Shop Assistant on Film Set (uncredited)

Nigel Davenport

Det. Sgt. Miller (uncredited)

Michael Powell

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

Susan Travers

Lorraine the Model (uncredited)

Keith Baxter

Det. Baxter (uncredited)

John Chappell

Clapper Boy (uncredited)

Roland Curram

Young Man in Sports Car (uncredited)