A marine biologist and a government agent investigate mysterious deaths and rumors of a sea monster in a secluded ocean cove, and find themselves involved with a marine biology professor conducting secretive experiments, international spies trying to steal his secrets, a radioactive light on the sea bottom, and the malevolent thing which guards it.
Unfortunately the movie The Phantom from 10,000 Leagues is not yet available on Disney Plus.
| Directing | Dan Milner | Director |
| Writing | Lou Rusoff | Screenplay |
| Sound | Ronald Stein | Original Music Composer |
| Camera | Brydon Baker | Director of Photography |
| Production | Jack Milner | Producer |
| Writing | Dorys Lukather | Original Story |
| Sound | Ronald Stein | Music Director |
| Camera | Bill Cary | Still Photographer |
| Production | Samuel Z. Arkoff | Executive Producer |
| Production | James H. Nicholson | Executive Producer |
| Production | Dan Milner | Producer |
| Editing | Dan Milner | Editor |
| Costume & Make-Up | Ernie Parks | Makeup Artist |
| Production | Byron Roberts | Production Supervisor |
| Sound | Frank Webster | Sound |
| Costume & Make-Up | Frank Tate | Costume Design |
| Directing | Earl Harper | Assistant Director |
| Editing | Jack Milner | Supervising Editor |
| Crew | Alfred Hanson | Technical Advisor |
