Walter Huston

Ambassador Joseph E. Davies

Ann Harding

Marjorie Davis

Oskar Homolka

Maxim Litvinov

George Tobias

Freddie

Gene Lockhart

Viatcheslav Molotov

Eleanor Parker

Emlen Davies

Richard Travis

Paul

Helmut Dantine

Maj. Kamenev

Victor Francen

Vyshinsky, chief trial prosecutor

Henry Daniell

Minister von Ribbentrop

Barbara Everest

Mrs. Litvinov

Roman Bohnen

Mr. Krestinsky

Maria Palmer

Tanya Litvinov

Moroni Olsen

Col. Faymonville

Minor Watson

Loy Henderson

Vladimir Sokoloff

Mikhail Kalinin, USSR president

John Abbott

Grinko (uncredited)

Ernie Adams

Heckler (uncredited)

Ed Agresti

Second Trial Judge (uncredited)

Fred Aldrich

Man at Bar in Montage (uncredited)

Louis V. Arco

Train Announcer (uncredited)

Sam Ash

American Senator (uncredited)

Hooper Atchley

Father (uncredited)

Felix Basch

Dr. Hjalmar Schacht - Banker (uncredited)

Nino Bellini

Italian Reporter (uncredited)

Oliver Blake

Heckler (uncredited)

Monte Blue

Heckler (uncredited)

Eugene Borden

M. Delbeau - French Minister (uncredited)

Barbara Brown

Well-Wisher at Train (uncredited)

Morgan Brown

American Delegate (uncredited)

Alexander Campbell

Senator (uncredited)

James Carlisle

American Senator (uncredited)

Maurice Cass

Yugoslavian President (uncredited)

Feodor Chaliapin Jr.

Shop Foreman (uncredited)

Cyd Charisse

Galina Ulanova - Ballerina (uncredited)

Jack Chefe

Newspaperman in Courtroom (uncredited)

Virginia Christine

Maria - Beautician (uncredited)

Winston Churchill

Self (archive footage) (uncredited)

Wallis Clark

Well-wisher with Bill (uncredited)

Edmund Cobb

Heckler (uncredited)

Harry Cording

Blacksmith (uncredited)

Gino Corrado

Italian (uncredited)

Jerome Cowan

Spendler (uncredited)

Joseph Crehan

Reporter (uncredited)

Oliver Cross

Delegate Van deWater (uncredited)

William B. Davidson

Senator (uncredited)

George Davis

French Reporter (uncredited)

Jean De Briac

French Maniac (uncredited)

Jean Del Val

Molotov's Secretary (uncredited)

John Dilson

American Senator (uncredited)

Warren Douglas

Emlen's Well-Wisher at Train Station (uncredited)

Anthony Eden

Self (archive footage) (uncredited)

Ben Erway

Heckler (uncredited)

Fred Essler

Dutch Banker (uncredited)

Herbert Evans

Courtroom Spectator (uncredited)

Adolph Faylauer

German Diplomat at Train Station (uncredited)

Frank Faylen

Reporter (uncredited)

Frank Ferguson

American Newsman (uncredited)

James Flavin

American Senator (uncredited)

Lee Tung Foo

Tsiang Ting Fu - Chinese Ambassador (uncredited)

Ross Ford

Johnny - Emlen's Well-Wisher at Train Station (uncredited)

William Forrest

American Newsman (uncredited)

Art Gilmore

Commentator (uncredited)

Joseph W. Girard

American Senator (uncredited)

Lisa Golm

Train Passenger Arriving Late (uncredited)

William Gould

Isolationist (uncredited)

Alexander Granach

Russian Air Force Officer (uncredited)

Hermann Göring

Self (archive footage) (uncredited)

John Hamilton

Charlie - American Newsman (uncredited)

Lumsden Hare

Lord Chilston (uncredited)

Sam Harris

Parade Spectator (uncredited)

Henry Hebert

Isolationist (uncredited)

Louis Jean Heydt

American Newsman (uncredited)

Herbert Heyes

Congressman (uncredited)

Adolf Hitler

Self (archive footage) (uncredited)

Mauritz Hugo

Heckler (uncredited)

Arthur Stuart Hull

Dinner Guest (uncredited)

Olaf Hytten

Parliament Member (uncredited)

Frieda Inescort

Madame Molotov (uncredited)

Frank Jaquet

Dutch Banker (uncredited)

Erwin Kalser

German Businessman (uncredited)

Eddie Kane

Heckler (uncredited)

Kurt Katch

Gen. Semen Timoshenko (uncredited)

Edward Keane

Isolationist (uncredited)

Kenner G. Kemp

Newspaperman (uncredited)

Bill Kennedy

American Newsman (uncredited)

Colin Kenny

Parade Soldier Spectator (uncredited)

Emmett King

British Delegate (uncredited)

Adia Kuznetzoff

O.G.P.U. Man (uncredited)

Charles La Torre

Rosso - Italian Ambassador (uncredited)

Charles Lane

Man in Kitchenin Montage (uncredited)

Ivan Lebedeff

Mr. Rosengoltz (uncredited)

George Lessey

Bill - Well-wisher (uncredited)

Doris Lloyd

Mrs. Churchill (uncredited)

Kathleen Lockhart

Lady Chilston (uncredited)

Arthur Loft

Man with Microphone (uncredited)

Wilbur Mack

American Newsman (uncredited)

Michael Mark

Timid Man (uncredited)

Mike Mazurki

Russian Machinist Workman (uncredited)

Lafe McKee

Radio Listener (uncredited)

Frank McLure

League of Nations Official / Ball Guest (uncredited)

Harold Miller

Dancer at Ball / Congressman (uncredited)

Forbes Murray

Isolationist (uncredited)

Barry Norton

Ball Guest (uncredited)

Pat O'Malley

Irish-American in Montage (uncredited)

Paul Panzer

Court Attendant (uncredited)

Emory Parnell

Uncaring Businessman (uncredited)

Manuel París

Russian Military Policeman (uncredited)

Francis Pierlot

Doctor (uncredited)

Frank Puglia

Trial Judge Ulrich (uncredited)

Emil Rameau

Ignacy Paderewski (uncredited)

Frank Reicher

General von Koestrich - German ambassador (uncredited)

Duncan Renaldo

Italian Reporter (uncredited)

Georges Renavent

President Paul van Zeeland (uncredited)

Constantine Romanoff

Accused Member of O.G.P.U. (uncredited)

Lionel Royce

Herr Schmidt (uncredited)

Richard Ryen

German Major (uncredited)

Hans Schumm

Train Gate Guard (uncredited)

Konstantin Shayne

Mr. Nikolai Bukharin (uncredited)

Robert Shayne

Engineer (uncredited)

Joseph Stalin

Joseph Stalin (archive footage) (uncredited)

Glenn Strange

Southerner in Montage (uncredited)

Mark Strong

Englishman (uncredited)

Sándor Szabó

Ski Troop Lieutenant (uncredited)

Ben Taggart

Guest at Davies' Speech (uncredited)

Mike Tellegen

O.G.P.U. Man (uncredited)

Ivan Triesault

Mr. Tukhachevsky (Former General) (uncredited)

Charles Trowbridge

Secretary of State Cordell Hull (uncredited)

Tom Tully

American Engineer in Russia (uncredited)

Edward Van Sloan

German Diplomat in Berlin (uncredited)

Michael Visaroff

Barkov (uncredited)

Ray Walker

Raymond - Davies' Butler (uncredited)

Glen Walters

Mother (uncredited)

Pierre Watkin

Naval Attache (uncredited)

Frank Wayne

Heckler (uncredited)

John Wengraf

Polish Ambassador Grzybowski (uncredited)

Leigh Whipper

Haile Selassie (uncredited)

Marek Windheim

Mr. Sokolnikov (uncredited)

Isabel Withers

Well-Wisher at Train (uncredited)

Victor Wong

Japanese Diplomat (uncredited)

Alfred Zeisler

German Train Conductor (uncredited)

Bobby Hale

Man at Inn (uncredited)