The head of Dartmouth Training College has been murdered, and his successor, Captain Hyde, suspects that he himself may have been the intended target. He enlists the help of his own son Philip, a reluctant cadet at the college, to help him confirm his suspicions about planned enemy action... but meanwhile, there is a Secret Service agent staying at the college observatory, the foreign-born professor of astronomy is behaving strangely, and Naval Intelligence disclaim any knowledge of what is going on...
Is Sons of the Sea on Netflix? Unfortunately the movie Sons of the Sea is not yet available on Netflix.
| Directing | Maurice Elvey | Director |
| Production | Louis London | Production Manager |
| Directing | Fred V. Merrick | Assistant Director |
| Writing | D. William Woolf | Scenario Writer |
| Writing | Gerald Elliott | Screenplay |
| Sound | Leo Wilkins | Sound |
| Camera | Eric Cross | Director of Photography |
| Editing | Douglas Myers | Editor |
| Writing | Maurice Elvey | Screenplay |
| Writing | Reginald Long | Dialogue |
| Art | James A. Carter | Art Direction |
| Production | K.C. Alexander | Producer |
| Camera | Skeets Kelly | Camera Operator |
| Camera | Ted Moore | Camera Operator |
| Writing | George Barraud | Scenario Writer |
| Costume & Make-Up | Harold Fletcher | Makeup Artist |
