Adventure drama during WW2 in Italy where a mixed group of people get trapped inside a cave after a bomb raid. But can they co-operate? And will they survive?
Unfortunately the movie The Cavern is not yet available on HBO Max.
| Directing | Edgar G. Ulmer | Director |
| Writing | Jack Davies | Screenplay |
| Costume & Make-Up | Giuliano Papi | Costume Design |
| Writing | Jack Davies | Story |
| Sound | Carlo Rustichelli | Original Music Composer |
| Writing | Michael Pertwee | Story |
| Editing | Renato Cinquini | Editor |
| Production | Zeljko Kunkera | Producer |
| Art | Giorgina Baldoni | Art Direction |
| Production | Edgar G. Ulmer | Producer |
| Camera | Gábor Pogány | Director of Photography |
| Costume & Make-Up | Santoli | Makeup Artist |
| Production | Ernst Neubach | Executive Producer |
| Art | Lamberto Giovagnoli | Art Direction |
| Writing | Michael Pertwee | Screenplay |
| Sound | Bruno Moreal | Sound |
| Crew | Joseph Nathanson | Special Effects |
| Directing | Paolo Bianchini | Director |
