Cast & crew
Hekla, Ancient Gateway to Hell (1973)
Directed by Þrándur Thoroddsen Written by Jón Hermannsson, Þrándur Thoroddsen
Crew
| Jón Hermannsson | Screenplay |
| Þrándur Thoroddsen | Director |
| Þrándur Thoroddsen | Director of Photography |
| Þrándur Thoroddsen | Screenplay |
| Þrándur Thoroddsen | Editor |
| Jón Hermannsson | Sound |
| Þrándur Thoroddsen | Director |
| Þrándur Thoroddsen | Editor |
| Jón Hermannsson | Screenplay |
| Þrándur Thoroddsen | Screenplay |
| Jón Hermannsson | Sound |
| Þrándur Thoroddsen | Director of Photography |