A spy known as "1932" during World War I, is commissioned by the German Secret Service to trail English agent Captain Woodhouse to the Straits of Gibraltar and there effect the destruction of the British fleet. Before his departure, 1932 helps Jane Gerson, an American girl falsely accused of espionage, and later falls in love with her.
| Actor | Role |
|---|---|
 Lewis StoneCaptain Cavendish | Captain Cavendish |
 Marguerite ClaytonJane Gerson | Jane Gerson |
 George FieldDa'mihr | Da'mihr |
 Arthur AllardtBilly Copper | Billy Copper |
 David HartfordDr. Emil Koch | Dr. Emil Koch |
 Joseph SingletonMajor Gen | Major Gen |
 Helen DunbarMrs. Crandall | Mrs. Crandall |
| WWillard WayneCaptain Woodhouse | Captain Woodhouse |
| WWilliam DurallJoseph Almer | Joseph Almer |
| FFritz von HardenbergKarl Hellinger | Karl Hellinger |
 Nick CogleyHenry Sherman | Henry Sherman |
 Ida LewisMrs. Henry Sherman | Mrs. Henry Sherman |
| CCarl HerlingerNot listed | Not listed |