During World War I, an American pilot vows to bring down the German ace responsible for his friend's death.
| Actor | Role |
|---|---|
 Warner BaxterLt. Steve Warner | Lt. Steve Warner |
 Conchita MontenegroAimee | Aimee |
 Russell Hardie2nd Lt. Hartley | 2nd Lt. Hartley |
 Herbert MundinGranny Biggs | Granny Biggs |
 Andy DevineSgt. "Ham" Davis | Sgt. "Ham" Davis |
 William StellingCpl. Teddy May | Cpl. Teddy May |
 Ralph MorganLt. 'Pop' Roget | Lt. 'Pop' Roget |
 Vince BarnettAce McGurk | Ace McGurk |
 William StackCapt. Andre De Laage | Capt. Andre De Laage |
 J. Carrol NaishSgt. Chevalier | Sgt. Chevalier |
 Johnny ArthurClarence Perkins | Clarence Perkins |
| AArno FreyBaron Kurt von Hagen | Baron Kurt von Hagen |
 Rudolph AndersLt. Schroeder (as Rudolph Amendt) | Lt. Schroeder (as Rudolph Amendt) |
| VVincent CaratoSgt. Cortez | Sgt. Cortez |