An American munitions manufacturer and his son become ensnarled with enemy agents from Germany during the First World War.
| Actor | Role |
|---|---|
 Charles RayJohn Stanton | John Stanton |
 Jane NovakVirginia Lee | Virginia Lee |
 Robert McKimAlfred Werner | Alfred Werner |
 Melbourne MacDowellGodfrey Stanton | Godfrey Stanton |
 Mollie McConnellMrs. Godfrey Stanton | Mrs. Godfrey Stanton |
 Henry A. BarrowsNot listed | Not listed |
| DDorcas MatthewsMuriel Charters | Muriel Charters |