Fredric March
Role: Lieutenant Michel Denet
Warner Baxter
Role: Captain Paul La Roche
Lionel Barrymore
Role: Papa La Roche / Pvt. Morin
June Lang
Role: Monique La Coste - nurse
Gregory Ratoff
Role: Pipe-smoking whistling sgt
Victor Kilian
Role: LaRoche's tall sgt
Paul Stanton
Role: Relief captain
Julius Tannen
Role: Lieutenant Tannen
Theodore von Eltz
Role: Major
Leonid Kinskey
Role: Ledoux
Jacques Lory
Role: Courier
Jacques Vanaire
Role: Doctor
Edythe Raynore
Role: Nurse
George Warrington
Role: Old soldier
Eugene Borden
Role: Sentry (uncredited)
Louis Mercier
Role: Man in trench (uncredited)
Joe Cunningham
Role: Officer (uncredited)
Constant Franke
Role: Sergeant (uncredited)
Jean De Briac
Role: Sergeant (uncredited)
Ben Hendricks Jr.
Role: Sergeant (uncredited)
Jean Perry
Role: Captain (uncredited)
Nicholas Soussanin
Role: French colonel (uncredited)
Barlowe Borland
Role: Information clerk (uncredited)
Anne O'Neal
Role: Nurse (uncredited)
Paul McVey
Role: Signal man (uncredited)
Robert Graves
Role: Colonel (uncredited)
John Bleifer
Role: Runner (uncredited)
Bob Cautiero
Role: Soldier runner (uncredited)
Pat West
Role: Soldier (uncredited)
Karl Hackett
Role: Soldier (uncredited)
Frank McGlynn Jr.
Role: Soldier (uncredited)
Jack Pennick
Role: Soldier (uncredited)
Hector V. Sarno
Role: Soldier (uncredited)