Holly Martins

Joseph Cotten

The Third Man

Orson Welles

Anna Schmidt

Alida Valli

Major Calloway

Trevor Howard

Porter

Paul Hoerbiger

"Baron" Kurtz

Ernst Deutsch

Dr. Winkel

Erich Ponto

Popescu

Siegfried Breuer

Sergeant Paine

Bernard Lee

Hänsel the Little Boy with Ball (uncredited)

Herbert Halbik

Anna's Old Landlady

Hedwig Bleibtreu

Col. Brodsky the Russian Liaison Officer (uncredited)

Alexis Chesnakov

Crabbin

Wilfrid Hyde-White

British Policeman

Geoffrey Keen

Taxi Driver (uncredited)

Thomas Gallagher

Hall Porter

Paul Hardtmuth

Kurtz's Mother

Nelly Arno

Actress at Josefstadt Theater (uncredited)

Hannah Norbert

Porter's Wife

Annie Rosar

Waiter at Smolka's (uncredited)

Eric Pohlmann

Dr. Winkel's Maid Hilde (uncredited)

Jenny Werner

UK Version's Opening Narrator (uncredited)

Carol Reed

Barman at Casanova

Leo Bieber

Hansel's Father

Frederick Schreicher

Hansel's Father (uncredited)

Frederick Schrecker

Waiter (uncredited)

Hugo Schuster

MP

Paul Smith

Man

Martin Boddey

Actor at Josefstadt Theater (uncredited)

Karl Stepanek

Man on Street (uncredited)

Theodore Gottlieb

Geoffrey Wade

American Military Policeman(uncredited)

Reed De Rouen

Barman at Sacher's

Walter Hertner

Britush Military Policeman in Sewer Chase (uncredited)

Robert Brown

Headwaiter

Martin Miller

Rona Grahame

International Patrol D (uncredited)

Paul Carpenter

Josefstadt Theatre Actress

Holga Walrow

Man Chasing Holly

Harry Belcher

Michael Connor

Nurse

Lilly Khan

International Patrol A

Jack Arrow

Soldier

Harold Ayer

Military Policeman

Paul Birch

Guest at Casanova Bar

Madge Brindley

International Patrol B

Ray Browne

Stripper at club

Marie-Louise Charlier

International Patrol C

Guy De Monceau

Robin Burns