Walter Huston (Ambassador Joseph E. Davies)
Ann Harding (Mrs. Davies)
Oscar Homolka (Maxim Litvinov)
Gene Lockhart (Vyacheslav Molotov)
George Tobias (Freddie)
Eleanor Parker (Emlen Davies)
Frank Jaquet
Frank Penny
Martin Noble
Forbes Murray
Howard Mitchell
Francis Pierlot (Doctor)
Emil Rameau
Frank Reicher
Georges Renavent (President Paul Van Zeeland)
Lionel Royce (Dr. Schmitt)
Dick Ryan
Konstantin Shayne (Nikolai Bukharin)
Alex Melesh
Mike Mazurki (Workman)
Allen Jung (Japanese Diplomat)
Tamara Shayne (Russian Nurse)
Eddie Kane
Edward Keane
Bill Kennedy
Jack Kenney
Charles La Torre
Ivan Lebedeff
George Lessey
Marion Lessing
Arthur Loft (Man with Microphone)
Michael Mark
Robert Shayne
Leonid Snegoff (Kommodov)
Edgar Licho (Bookseller)
Tina Menard
Loulette Sablon
Jean Wong
Joseph Kamaryt
Zoya Karabanova
Al Kunde (Father)
Billy Louie
Marie Melesch
Irina Semochenko
Evelynne Smith (Daughter)
Ernst Hausman
Frank Hemphill (Grandfather)
Michel Panaieff (Specialty Dancer)
Ivan Triesault
Tom Tully (Engineer)
Peggy Watts
John Wengraf
Marek Windheim
Joan Winfield
Isabel Withers (Woman)
Jack Young
John Maxwell
Alfred Zeisler
Betty Roadman (Mother)
Victor Wong
Ted Jacques
Luke Chan
Monte Blue
Oliver Blake
John Dilson
Ben Erway
Egon Brecher
Fred Essler
Frank Ferguson
Robert C. Fischer (Von Schulenberg)
James Flavin
Lee Tung Foo
Jean de Briac
William B. Davidson
Cyd Charisse (Specialty Dancer)
Feodor Chaliapin, Jr.
Edmund Cobb
Harry Cording (Blacksmith)
Maurice Cass
Frank Wayne
Noel Cravat
George Carleton
Eugene Borden (French Minister)
Jacqueline Dalya
William Forrest (American Newsman)
William Gould (Isolationist)
Mauritz Hugo (Hecklers)
Gregory Golubeff
Louis Jean Heydt
John Hamilton
Sam Goldenberg
Jack Gardner
Hooper Atchley (Father)
Christine Gordon
Herbert Ashley
Herbert Heyes
Gene Gary (Russian Foreman)
Alexander Granach (Russian Air Force Officer)
Ernie S. Adams
Victor Francen (Vyshinsky)