Cast
- Christopher Eccleston (The Doctor)
- Jon Culshaw (Brigadier Lethbridge-Stewart)
- Warren Brown (Sam Bishop)
- Elinor Lawless (Fiona McCall)
- James Doherty (Professor Flynn Beckett / Other Flynn)
- Sienna Guillory (Idara Beckett)
- Emily Taaffe (Sasha Yan)
- Juliet Stevenson (Winifred Whitby)
- Charlie Hamblett (Thomas / Attendants)
- Amanda Drew (Commander Jane Wardie)
- Martin Quinn (Cameron Lawther)
- Alexander Cobb (Foreman / UNIT Courier / Sergeant Lowe)
- Nicholas Briggs (The Cybermen )
Doctor Who - The Ninth Doctor Adventures
1.4. Doctor Who: The Ninth Doctor Adventures: Old Friends
Written by Roy Gill David K Barnes
Starring Christopher Eccleston
