Unexplained and gruesome deaths among climbers of the Trollenberg are investigated.
The Trollenberg Terror Online
Unexplained and gruesome deaths among climbers of the Trollenberg are investigated.
| Series cast summary: | |||
 | Sarah Lawson | - | Sarah Pilgrim 6 episodes, 1956-1957 |
 | Rosemary Miller | - | Ann Pilgrim 6 episodes, 1956-1957 |
 | Ronan O'Casey | - | Albert 6 episodes, 1956-1957 |
 | Laurence Payne | - | Philip Truscott 6 episodes, 1956-1957 |
 | Michael Anthony | - | Petitjean 4 episodes, 1956-1957 |
| Glyn Owen | - | George Brett 4 episodes, 1956-1957 |
| Frederick Schrecker | - | Dr. Spielmann 4 episodes, 1956-1957 |
| Raf De La Torre | - | Prof. Crevet 3 episodes, 1957 |
None of the six episodes from this series are currently known to exist.