During World War I, a German U-boat sinks a British passenger ship and takes the survivors aboard. After getting lost in fog, the submarine surfaces near the unknown island of Caprona, a lost world where they find dinosaurs and Neanderthals.
Unfortunately the movie The Land That Time Forgot is not yet available on HBO Max.
| Writing | Michael Moorcock | Screenplay |
| Writing | Edgar Rice Burroughs | Novel |
| Directing | Kevin Connor | Director |
| Writing | James Cawthorn | Screenplay |
| Camera | Alan Hume | Director of Photography |
| Sound | Douglas Gamley | Original Music Composer |
| Art | Maurice Carter | Production Design |
| Costume & Make-Up | Julie Harris | Costume Design |
| Production | John Dark | Producer |
| Art | Bert Davey | Art Direction |
| Production | Max Rosenberg | Producer |
| Production | Robert H. Greenberg | Executive Producer |
| Production | John Peverall | Associate Producer |
| Editing | John Ireland | Editor |
| Production | Milton Subotsky | Producer |
| Visual Effects | Derek Meddings | Special Effects Supervisor |
| Crew | Ian Wingrove | Special Effects |
| Crew | Roger Dicken | Special Effects |
| Directing | Doreen Soan | Continuity |
