Cast
- Christopher Eccleston (The Doctor)
- Nicola Walker (Liv Chenka)
- Rebecca Root (Tania Bell)
- Sasha Behar (Diana Hendry)
- Jamie Parker (Tsar Alexander II / Trinity)
- Diana Quick (Sophie Kinzky)
- Jeremy Swift (Fraser / Colleague One)
- Ferdy Roberts (Soloman Read)
- Yasmin Mwanza (Rachel Bates / Taroth)
- Nicholas Briggs (Mirtar / Sea Devils)
- Kate Sissons (Bertha Kinzky)
- Joseph Kloska (Ludwig Von Husseldorf)
Doctor Who - The Ninth Doctor Adventures
2.3. Doctor Who: The Ninth Doctor Adventures: Hidden Depths
Written by Lizbeth Myles Lisa McMullin John Dorney
Starring Christopher Eccleston
