"Ambassador Joseph Davies is sent by FDR to Russia to learn about the Soviet system and returns to the US as an advocate of socialism."
Walter Huston
as Ambassador Joseph E. Davies
Ann Harding
as Marjorie Davis
Oskar Homolka
as Maxim Litvinov
George Tobias
as Freddie
Gene Lockhart
as Viatcheslav Molotov
Eleanor Parker
as Emlen Davies
Richard Travis
as Paul
Helmut Dantine
as Maj. Kamenev
Victor Francen
as Vyshinsky, chief trial prosecutor
Henry Daniell
as Minister von Ribbentrop
Barbara Everest
as Mrs. Litvinov
Dudley Field Malone
as Winston Churchill
Roman Bohnen
as Mr. Krestinsky
Maria Palmer
as Tanya Litvinov
Moroni Olsen
as Col. Faymonville
Minor Watson
as Loy Henderson
Vladimir Sokoloff
as Mikhail Kalinin, USSR president
Maurice Schwartz
as Dr. Botkin
Joseph E. Davies
as Self - in Prologue
Ernst Hauessermann
as Ship's Steward
John Abbott
as Grinko (uncredited)
Ernie Adams
as Heckler (uncredited)
Ed Agresti
as Second Trial Judge (uncredited)
Alex Akimoff
as O.G.P.U. Man (uncredited)
Fred Aldrich
as Man at Bar in Montage (uncredited)
Demetrius Alexis
Elizabeth Archer
as Elderly Woman (uncredited)
Louis V. Arco
as Train Announcer (uncredited)
Sam Ash
as American Senator (uncredited)
Herbert Ashley
as Electrician at Madison Square Garden (uncredited)
Hooper Atchley
as Father (uncredited)
Robert Baikoff
as Soldier (uncredited)
Felix Basch
as Dr. Hjalmar Schacht - Banker (uncredited)
Nino Bellini
as Italian Reporter (uncredited)
Ted Billings
as Man at Inn (uncredited)
Tina Blagoi
as Russian Woman (uncredited)
Oliver Blake
Monte Blue
Eugene Borden
as M. Delbeau - French Minister (uncredited)
Egon Brecher
as Heinrich Sahm (uncredited)
Barbara Brown
as Well-Wisher at Train (uncredited)
Morgan Brown
as American Delegate (uncredited)
Alexander Campbell
as Senator (uncredited)
George M. Carleton
as Congressman (uncredited)
James Carlisle
Maurice Cass
as Yugoslavian President (uncredited)
Nikolai Celikhovsky
as Soviet Official (uncredited)
Feodor Chaliapin Jr.
as Shop Foreman (uncredited)
Luke Chan
as Japanese Diplomat (uncredited)
Cyd Charisse
as Galina Ulanova - Ballerina (uncredited)
Jack Chefe
as Newspaperman in Courtroom (uncredited)
Alex Chivra
as Pierre Laval (uncredited)
Peter Chong
as Japanese Ambassador Shigemitsu (uncredited)
Virginia Christine
as Maria - Beautician (uncredited)
Winston Churchill
as Self (archive footage) (uncredited)
Wallis Clark
as Well-wisher with Bill (uncredited)
Donald Clayton
as Vincent Massey (uncredited)
Edmund Cobb
James Conaty
as Dinner Guest (uncredited)
Harry Cording
as Blacksmith (uncredited)
Gino Corrado
as Italian (uncredited)
Jerome Cowan
as Spendler (uncredited)
Noel Cravat
as Workman (uncredited)
Joseph Crehan
as Reporter (uncredited)
Oliver Cross
as Delegate Van deWater (uncredited)
Albert D'Arno
as Frenchman (uncredited)
Jacqueline Dalya
as Russian Girl (uncredited)
William B. Davidson
George Davis
as French Reporter (uncredited)
Jean De Briac
as French Maniac (uncredited)
Leander De Cordova
Wally Dean
as Isolaltionist (uncredited)
Igor Dega
as Litvinov's Secretary (uncredited)
Jean Del Val
as Molotov's Secretary (uncredited)
Lala Detolly
John Dilson
Warren Douglas
as Emlen's Well-Wisher at Train Station (uncredited)
Eugene Eberle
as Son (uncredited)
Oliver Eckhardt
as Radio Listener (uncredited)
Anthony Eden
Ben Erway
Fred Essler
as Dutch Banker (uncredited)
Herbert Evans
as Courtroom Spectator (uncredited)
Adolph Faylauer
as German Diplomat at Train Station (uncredited)
Frank Faylen
Frank Ferguson
as American Newsman (uncredited)
Robert Fischer
as von Schulenberg (uncredited)
James Flavin
Ray Flynn
as Isolationist (uncredited)
Lee Tung Foo
as Tsiang Ting Fu - Chinese Ambassador (uncredited)
Ross Ford
as Johnny - Emlen's Well-Wisher at Train Station (uncredited)
William Forrest
Patrica Fung
as Chinese Girl (uncredited)
Jack Gardner
as Newsreel Photographer (uncredited)
Gene Gary
as Russian Foreman (uncredited)
Art Gilmore
as Commentator (uncredited)
Joseph W. Girard
George Glebeff
Sam Goldenberg
as Mr. Leon Trotsky (uncredited)
Ernest Golm
as Fat German (uncredited)
Lisa Golm
as Train Passenger Arriving Late (uncredited)
Gregory Golubeff
as Commandant of the Court (uncredited)
Christine Gordon
as Parachutist (uncredited)
William Gould
Alexander Granach
as Russian Air Force Officer (uncredited)
Jesse Graves
as White House Butler (uncredited)
Henry Guttman
as O.G.P.U. Man in Taxi (uncredited)
Hermann Göring
John Hamilton
as Charlie - American Newsman (uncredited)
Lumsden Hare
as Lord Chilston (uncredited)
Sam Harris
as Parade Spectator (uncredited)
Henry Hebert
Frank Hemphill
as Grandfather (uncredited)
Yvonne Hendricks
as Minister's Wife (uncredited)
Louis Jean Heydt
Herbert Heyes
Adolf Hitler
David Hoffman
as Mr. Radek (uncredited)
Mauritz Hugo
Arthur Stuart Hull
Olaf Hytten
as Parliament Member (uncredited)
Frieda Inescort
as Madame Molotov (uncredited)
Ted Jacques
as Machinist (uncredited)
Frank Jaquet
Allen Jung
Erwin Kalser
as German Businessman (uncredited)
Joseph Kamaryt
as Old Russian (uncredited)
Eddie Kane
Zoia Karabanova
as Russian Train Engineer (uncredited)
Kurt Katch
as Gen. Semen Timoshenko (uncredited)
Edward Keane
Kenner G. Kemp
as Newspaperman (uncredited)
Bill Kennedy
Jack Kenney
Colin Kenny
as Parade Soldier Spectator (uncredited)
Emmett King
as British Delegate (uncredited)
Manart Kippen
as Joseph Stalin (uncredited)
Nicholas Kobliansky
Al Kunde
Adia Kuznetzoff
Charles La Torre
as Rosso - Italian Ambassador (uncredited)
Charles Lane
as Man in Kitchenin Montage (uncredited)
Ivan Lebedeff
as Mr. Rosengoltz (uncredited)
Gabriel Lenoff
George Lessey
as Bill - Well-wisher (uncredited)
Marion Lessing
as Telephone Operator (uncredited)
Carl M. Leviness
Adolf E. Licho
as Bookseller (uncredited)
Rolf Lindau
as German Reporter (uncredited)
Doris Lloyd
as Mrs. Churchill (uncredited)
Kathleen Lockhart
as Lady Chilston (uncredited)
Arthur Loft
as Man with Microphone (uncredited)
Wilbur Mack
Rosa Margot
as Russian Servant (uncredited)
Michael Mark
as Timid Man (uncredited)
Janet Martin
as Natasha (uncredited)
John Maxwell
as Reporter at Train (uncredited)
Mike Mazurki
as Russian Machinist Workman (uncredited)
Lafe McKee
Frank McLure
as League of Nations Official / Ball Guest (uncredited)
Alex Melesh
as Mr. Pyatakov (uncredited)
Marie Melesh
as Young Woman (uncredited)
Tina Menard
Harold Miller
as Dancer at Ball / Congressman (uncredited)
Howard M. Mitchell
Vyacheslav Molotov
Clive Morgan
as Anthony Eden (uncredited)
Forbes Murray
Martin Noble
as Russian Officer (uncredited)
Barry Norton
as Ball Guest (uncredited)
Field Norton
Alex Novinsky
as Courtroom Reporter (uncredited)
Pat O'Malley
as Irish-American in Montage (uncredited)
Daniel Ocko
as Mr. Yagoda (former O.G.P.U. Head) (uncredited)
Michel Panaieff
as Ulanova's Dancing Partner (uncredited)
Paul Panzer
as Court Attendant (uncredited)
Emory Parnell
as Uncaring Businessman (uncredited)
Manuel París
as Russian Military Policeman (uncredited)
Irene Pedrini
Frank Penny
Francis Pierlot
as Doctor (uncredited)
René Plaissetty
as Coulendre (uncredited)
Frank Puglia
as Trial Judge Ulrich (uncredited)
Louis Quince
as Member of Parliament (uncredited)
Emil Rameau
as Ignacy Paderewski (uncredited)
Frank Reicher
as General von Koestrich - German ambassador (uncredited)
Duncan Renaldo
Georges Renavent
as President Paul van Zeeland (uncredited)
Vera Richkova
Betty Roadman
as Mother (uncredited)
Constantine Romanoff
as Accused Member of O.G.P.U. (uncredited)
Nico Romoff
as Foreman (uncredited)
Lionel Royce
as Herr Schmidt (uncredited)
Richard Ryen
as German Major (uncredited)
Loulette Sablon
Tanya Samova
as Flower Girl (uncredited)
Sam Savitsky
as Spadebeard (uncredited)
Ferdinand Schumann-Heink
Hans Schumm
as Train Gate Guard (uncredited)
Irina Semochenko
Konstantin Shayne
as Mr. Nikolai Bukharin (uncredited)
Robert Shayne
as Engineer (uncredited)
Tamara Shayne
as Russian Nurse (uncredited)
Evelynne Smith
as Daughter (uncredited)
Leonid Snegoff
as Kommodov (uncredited)
George Sorel
as German Bund Member (uncredited)
Joseph Stalin
as Joseph Stalin (archive footage) (uncredited)
Rudolf Steinboeck
as German (uncredited)
Glenn Strange
as Southerner in Montage (uncredited)
Mark Strong
as Englishman (uncredited)
Sándor Szabó
as Ski Troop Lieutenant (uncredited)
Ben Taggart
as Guest at Davies' Speech (uncredited)
Mike Tellegen
Zina Torchina
Ivan Triesault
as Mr. Tukhachevsky (Former General) (uncredited)
Charles Trowbridge
as Secretary of State Cordell Hull (uncredited)
Tom Tully
as American Engineer in Russia (uncredited)
Olga Uljanovskaja
Edward Van Sloan
as German Diplomat in Berlin (uncredited)
Henry Victor
as Herr Schufeldt - Hamburg Official (uncredited)
Michael Visaroff
as Barkov (uncredited)
Ray Walker
as Raymond - Davies' Butler (uncredited)
Glen Walters
Pierre Watkin
as Naval Attache (uncredited)
Peggy Watts
Frank Wayne
John Wengraf
as Polish Ambassador Grzybowski (uncredited)
Mischa Westfall
as Petya (uncredited)
Leigh Whipper
as Haile Selassie (uncredited)
Marek Windheim
as Mr. Sokolnikov (uncredited)
Joan Winfield
Isabel Withers
Jean Wong
Victor Wong
Jack Young
as President Roosevelt (uncredited)
Alfred Zeisler
as German Train Conductor (uncredited)
Esther Zeitlin
Peter Michael
Bobby Hale
Michael Curtiz
Director
Howard Koch
Screenplay
Max Steiner
Original Music Composer
Book
Robert Buckner
Producer
Jack L. Warner
Executive Producer
Owen Marks
Editor
Carl Jules Weyl
Art Direction
Orry-Kelly
Costume Design
Bert Glennon
Director of Photography