Montgomery Clift

Character: Sigmund Freud

Susannah York

Character: Cecily Koertner

Larry Parks

Character: Dr. Joseph Breuer

Susan Kohner

Character: Martha Freud

Eileen Herlie

Character: Frau Ida Koertner

Fernand Ledoux

Character: Dr. Charcot

David McCallum

Character: Carl von Schlossen

Rosalie Crutchley

Character: Frau Amalia Freud

David Kossoff

Character: Jacob Freud

Joseph Fürst

Character: Herr Jacob Koertner

Alexander Mango

Character: Babinsky

Leonard Sachs

Character: Brouhardier

Eric Portman

Character: Dr. Theodore Meynert

John Huston

Character: Narrator (voice) (uncredited)

Ol Abdou

Character: (uncredited)

Manfred Andrae

Character: Student Doctor (uncredited)

Victor Beaumont

Character: Dr. Guber (uncredited)

Allan Cuthbertson

Character: Wilkie (uncredited)

Eduard Linkers

Character: Dr. Torsch (uncredited)

Ferdy Mayne

Character: Questioner at Final Lecture (uncredited)

Elisabeth Neumann-Viertel

Character: Frau Bernays (uncredited)

Maria Perschy

Character: Magda (uncredited)

Moira Redmond

Character: Nora Wimmer (uncredited)

Charles Regnier

Character: (uncredited)

Stefan Schnabel

Character: Chairman of Medical Profession in Vienna (uncredited)