Sigmund Freud

Montgomery Clift

Cecily Koertner

Susannah York

Dr. Joseph Breuer

Larry Parks

Martha Freud

Susan Kohner

Dr. Theodore Meynert

Eric Portman

Frau Ida Koertner

Eileen Herlie

Professor Charcot

Fernand Ledoux

Carl von Schlossen

David McCallum

Frau Freud

Rosalie Crutchley

Jacob Freud

David Kossoff

Herr Jacob Koertner

Joseph Fürst

Babinsky

Alexander Mango

Brouhardier

Leonard Sachs

Wilkie

Allan Cuthbertson

Nora Wimmer

Moira Redmond

Magda

Maria Perschy

Dr. Guber

Victor Beaumont

Narrator (voice) (uncredited)

John Huston

Frau Bernays

Elisabeth Neumann-Viertel

Mitzi Freud

Ursula Lyn

Student Doctor (uncredited)

Manfred Andrae

Babinsky

Alec Mango

Dr. Torsch (uncredited)

Eduard Linkers

Student Doctor

Manfred Andrea

Questioner at Final Lecture (uncredited)

Ferdy Mayne

Anita Gutwell

(uncredited)

Charles Regnier

P.V. Polnitz

Herr Rabb

Frederick Lederbur

Chairman of Medical Profession in Vienna (uncredited)

Stefan Schnabel