Cast
- Maureen O'Brien (Vicki / Narrator)
- Peter Purves (Steven Taylor / The Doctor / Narrator)
- Mark Edel-Hunt (Guy)
- Sam Woolf (Kim)
- Philip Fox (Professor Charles Lewis)
- Richard Braine (Professor Linus Woolf)
- John Rowe (Sir Isiah Hardy)
Doctor Who - The Early Adventures
5.3. Doctor Who: Entanglement
Written by Robert Khan Tom Salinsky
Starring Maureen O'Brien Peter Purves
