 Fredric MarchLieutenant Michel Denet | Lieutenant Michel Denet |
 Warner BaxterCaptain Paul La Roche | Captain Paul La Roche |
 Lionel BarrymorePapa La Roche / Pvt. Morin | Papa La Roche / Pvt. Morin |
 June LangMonique La Coste - nurse | Monique La Coste - nurse |
 Gregory RatoffPipe-smoking whistling sgt | Pipe-smoking whistling sgt |
 Victor KilianLaRoche's tall sgt | LaRoche's tall sgt |
 Paul StantonRelief captain | Relief captain |
 John QualenDuflous | Duflous |
 Julius TannenLieutenant Tannen | Lieutenant Tannen |
 Theodore von EltzMajor | Major |
 Paul FixRigaud | Rigaud |
 Leonid KinskeyLedoux | Ledoux |
| JJacques LoryCourier | Courier |
| JJacques VanaireDoctor | Doctor |
| EEdythe RaynoreNurse | Nurse |
| GGeorge WarringtonOld soldier | Old soldier |
 Eugene BordenSentry (uncredited) | Sentry (uncredited) |
 Louis MercierMan in trench (uncredited) | Man in trench (uncredited) |
| JJoe CunninghamOfficer (uncredited) | Officer (uncredited) |
| CConstant FrankeSergeant (uncredited) | Sergeant (uncredited) |
 Jean De BriacSergeant (uncredited) | Sergeant (uncredited) |
 Ben Hendricks Jr.Sergeant (uncredited) | Sergeant (uncredited) |
| JJean PerryCaptain (uncredited) | Captain (uncredited) |
| NNicholas SoussaninFrench colonel (uncredited) | French colonel (uncredited) |
 Barlowe BorlandInformation clerk (uncredited) | Information clerk (uncredited) |
| AAnne O'NealNurse (uncredited) | Nurse (uncredited) |
 Paul McVeySignal man (uncredited) | Signal man (uncredited) |
 Robert GravesColonel (uncredited) | Colonel (uncredited) |
 John BleiferRunner (uncredited) | Runner (uncredited) |
| BBob CautieroSoldier runner (uncredited) | Soldier runner (uncredited) |
