A crooked lawyer trying to cheat a young girl out of her inheritance tries to convince a sea captain to help him. Re-released in 1939 as "Phantom Submarine U-67."
| Actor | Role |
|---|---|
 Laura La PlanteEvelyn Inchcape | Evelyn Inchcape |
 Alan HaleCapt. Greg Winters | Capt. Greg Winters |
 Clarence WilsonHenry Sykes | Henry Sykes |
 Peter ErkelenzCapt. Karl Ludwig | Capt. Karl Ludwig |
| CClaud AllisterPercy Atwater | Percy Atwater |
 Broderick O'FarrellChairman of the Court-Martial | Chairman of the Court-Martial |
 Harry CordingSailor Who Knocks Out Capt. Winter (uncredited) | Sailor Who Knocks Out Capt. Winter (uncredited) |