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