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
Julius Tannen
Lieutenant Tannen
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)