While touring abroad in Europe, beautiful American skydiver Fathom Harvill gets wrapped up in international intrigue when Scottish spy Douglas Campbell recruits her to help him on a secret mission. Before long, Fathom realizes that no one around her, including the mysterious Peter Merriweather, can easily be trusted, leading to various adventures that involve bull fighting, beaches and, of course, romance.
Unfortunately the movie Fathom is not yet available on HBO Max.
| Directing | Leslie H. Martinson | Director |
| Writing | Lorenzo Semple Jr. | Screenplay |
| Writing | Larry Forrester | Novel |
| Camera | Michael Walter | Key Grip |
| Costume & Make-Up | Bridget Sellers | Wardrobe Supervisor |
| Directing | David Tringham | Assistant Director |
| Costume & Make-Up | Alan Brownie | Makeup Artist |
| Editing | Elizabeth Thoyts | Assistant Editor |
| Sound | John Dankworth | Conductor |
| Sound | Jonathan Bates | Sound Editor |
| Art | Maurice Carter | Art Direction |
| Art | Maurice Binder | Title Designer |
| Sound | Cyril Collick | Sound Recordist |
| Crew | Donna Garrett | Stunt Double |
| Sound | John Dankworth | Original Music Composer |
| Costume & Make-Up | Joan Smallwood | Hairdresser |
| Camera | Chic Waterson | Camera Operator |
| Editing | Max Benedict | Editor |
| Costume & Make-Up | Freddie Williamson | Makeup Artist |
| Camera | Douglas Slocombe | Director of Photography |
| Costume & Make-Up | Kiki Byrne | Costume Design |
