Cast
- Paul McGann (The Doctor)
- Nicola Walker (Liv)
- Hattie Morahan (Helen)
- Derek Griffiths (Mathryn)
- Jane Asher (Myra)
- Fiona Button (Bex)
- Steve Brody (Monty James)
- Joe Pitts (Robert Sinclair)
- Timothy Bentinck (Professor Alistair Gray)
- Maya Saroya (Iri / Bartha)
- Dan Starkey (Calthrys / Valryth / Cha-Harr)
- Holly Jackson Walters (Zythrev)
Doctor Who - The Eighth Doctor Adventures
Doctor Who: The Eighth Doctor Adventures: Echoes
Written by Tim Foley Lauren Mooney Stewart Pringle Dan Rebellato
Starring Paul McGann Nicola Walker
