Cast
- Tim Treloar (The Doctor)
- Daisy Ashford (Liz Shaw)
- Jon Culshaw (Brigadier Lethbridge-Stewart )
- Rosalyn Landor (Professor Abigail Macleod)
- Mark Elstob (Peter Macleod / Nelophex)
- Susan Harrison (Dr Fiona Lynch / June Wellesley)
- Glen McCready (Professor Albert Heber / The Steward / Andrew Wellesley)
- Callum Pardoe (Linus Macleod)
- Milo Ratter (Crouch)
Doctor Who - The Third Doctor Adventures
Doctor Who: The Third Doctor Adventures: Doctor Who and the Brain Drain
Written by Richard James Nicholas Briggs
Starring Tim Treloar Daisy Ashford
