Fredric March

Lieutenant Michel Denet

Warner Baxter

Captain Paul La Roche

Lionel Barrymore

Papa La Roche / Pvt. Morin

June Lang

Monique La Coste - nurse

Gregory Ratoff

Pipe-smoking whistling sgt

Victor Kilian

LaRoche's tall sgt

Paul Stanton

Relief captain

John Qualen

Duflous

Julius Tannen

Lieutenant Tannen

Theodore von Eltz

Major

Paul Fix

Rigaud

Leonid Kinskey

Ledoux

Jacques Lory

Courier

Jacques Vanaire

Doctor

Edythe Raynore

Nurse

George Warrington

Old soldier

Eugene Borden

Sentry (uncredited)

Louis Mercier

Man in trench (uncredited)

Joe Cunningham

Officer (uncredited)

Constant Franke

Sergeant (uncredited)

Jean De Briac

Sergeant (uncredited)

Ben Hendricks Jr.

Sergeant (uncredited)

Jean Perry

Captain (uncredited)

Nicholas Soussanin

French colonel (uncredited)

Barlowe Borland

Information clerk (uncredited)

Anne O'Neal

Nurse (uncredited)

Paul McVey

Signal man (uncredited)

Robert Graves

Colonel (uncredited)

John Bleifer

Runner (uncredited)

Bob Cautiero

Soldier runner (uncredited)

Pat West

Soldier (uncredited)

Karl Hackett

Soldier (uncredited)

Frank McGlynn Jr.

Soldier (uncredited)

Jack Pennick

Soldier (uncredited)

Hector V. Sarno

Soldier (uncredited)