Dr. Franticek Svoboda / Karel Vanek

Brian Donlevy

Nasha Novotny

Anna Lee

Prof. Stephen Novotny

Walter Brennan

Emil Czaka

Gene Lockhart

Jan Horak

Dennis O'Keefe

Gestapo Insp. Alois Gruber

Alexander Granach

Aunt Ludmilla Novotny

Margaret Wycherly

Mrs. Hellie Novotny

Nana Bryant

Boda Novotny

William Roy

Reinhard Heydrich

Hans Heinrich von Twardowski

Reinhard Heydrich

Hans von Twardowski

Chief of Gestapo Kurt Haas

Tonio Selwart

Dedic

Jonathan Hale

Banya

Lionel Stander

Mrs. Georgia Dvorak

Sarah Padden

Bartos

Byron Foulger

Mrs. Nimitz

Virginia Farmer

Dr. Pillar

Edmund MacDonald

Schirmer

Ludwig Donath

Necval the Poet

George Irving

Peacock

James Bush

Camp Lieutenant Itnut

Arno Frey

Rudy, a Hostage

Lester Sharpe

Gen. Votruba Bertruba

Arthur Loft

Viktorin

William Farnum

Gestapo Insp. Ritter

Reinhold Schünzel

Cook (uncredited)

Chester Conklin

Gestapo

Otto Reichow

Counterwoman (uncredited)

Claire McDowell

Cab Driver

Eddy Waller

Hostage (scenes deleted)

John Abbott

Officer (uncredited)

Philip Van Zandt

Adjutant (uncredited)

Louis Adlon

Liberal Official (uncredited)

Erville Alderson

Policeman

Ralph Dunn

Slugger in Theater (uncredited)

Richard Alexander

Charles B. Middleton

Hostage

Dwight Frye

Hostage

Emmett Lynn

Hostage

Emmett Vogan

Hostage

Billy Benedict

Fat Man (uncredited)

Bud Jamison

Patriot

Charles Middleton

Patriot

William Haade

Man at Briefing (uncredited)

Sam Harris

Policeman

Philip Merivale