During WWI to prove his mettle against a charge of cowardice to everyone including his girl Mimi, American pilot Lieutenant Billy Holmes accepts an assignment with the Royal Flying Corps. He downs a German aircraft piloted by the brother of squadron leader Lebrun. Out of bitterness Lebrun challenges him to a dogfight from which Billy emerges victorious restoring his lustre and reputation.
| Actor | Role |
|---|---|
 Raymond KeaneLieutenant William Holmes | Lieutenant William Holmes |
 Barbara KentMimi | Mimi |
 Nigel BarrieCaptain Richardson | Captain Richardson |
 Jack PennickSven Linder | Sven Linder |
 Donald StuartRed McGibbons | Red McGibbons |
 Cuyler SuppleeLebrun | Lebrun |
| MMarcella DalyNannette | Nannette |