A Counterspy in the US military is killed under suspicious circumstances. His friend, Jerry Baldwin, a Navy Commander, is assigned to replace him and stop a saboteur in a torpedo factory.
| Actor | Role |
|---|---|
 Willard ParkerCommander Jerry Baldwin | Commander Jerry Baldwin |
 Audrey LongBetty Iverson | Betty Iverson |
 Raymond GreenleafDr. George Vickers | Dr. George Vickers |
 Howard St. JohnDavid Harding | David Harding |
 Alex GerryCharles Kingston | Charles Kingston |
| HHarlan WardeHopkins | Hopkins |
 Anthony JochimRobert Barrington | Robert Barrington |
 John DehnerFrank Reynolds | Frank Reynolds |
 Fred F. SearsPeters | Peters |