Phil Kelly, a veteran of the Spanish-American War, serves as an American spy during World War I unknown to his mother, fiancée Rose Lockely and friends, who sadly question his loyalty when he fails to enlist.
| Actor | Role |
|---|---|
 Francis FordPhil Kelly | Phil Kelly |
| EEdna EmersonRose Lockely | Rose Lockely |
| JJack NewtonCol. Lockely | Col. Lockely |
| GGeorge HenryGen. Joseph Cooper | Gen. Joseph Cooper |
| EEd DorhanKarl Shamme | Karl Shamme |
| GGeorge JonesJohn Harris | John Harris |
| WWilliam WillisLt. Milles | Lt. Milles |
| WWilliam CanfieldGen. Von Schuck | Gen. Von Schuck |
| EEmma WarrenKelly's mother | Kelly's mother |
| LLois ScottMadge | Madge |
 Donald KeithBud | Bud |