Julie Harris as Sally Bowles

Laurence Harvey as Christopher Isherwood

Shelley Winters as Natalia Landauer

Ron Randell as Clive Mortimer

Lea Seidl as Fräulein Schneider

Anton Diffring as Fritz Wendel

Jean Gargoet as Pierre

Ina De La Haye as Herr Landauer

Stanley Maxted as Curtis B. Ryland

Frederick Valk as Doctor

Tutte Lemkow as Electro-Therapist

Patrick McGoohan as Swedish Water Therapist

Julia Arnall as Model

Harold Siddons as Editor at Party

Philip Morant as Editor at Party

Jack Healy as Clive (uncredited)

Don Koll as Ticket Clerk (uncredited)

Gareth Tandy as Boy Finding Sally's Shoe (uncredited)

Richard Wattis as Bespectacled Man at Book Launch (uncredited)

Clifford A. Pellow as Turk (uncredited)