Cast
- Peter Davison (The Doctor)
- Janet Fielding (Tegan Jovanka)
- Sarah Sutton (Nyssa)
- Matthew Waterhouse (Adric)
- Philip Hurd-Wood (Ivan)
- Maggie Service (Alison Starclair / Barker)
- Anna Crichlow (Nairobi Starclair / Princess 1)
- Paksie Vernon (Ocean Starclair / Princess 2)
- Andrew Wincott (Beyond / Jardan)
- John Hopkins (Fairfield)
Doctor Who - The Fifth Doctor Adventures
Doctor Who: The Fifth Doctor Adventures: The Great Beyond
Written by James Kettle
Starring Peter Davison Janet Fielding
