Cast
- Tim Treloar (The Doctor)
- Katy Manning (Jo Grant (Jo Jones))
- Richard Franklin (Captain Mike Yates)
- Carolyn Seymour (Freda Mattingly)
- Robbie Stevens (Jonny Repford / Director Pennard / Statue / The Prosecutor)
- John Banks (Chief Dastron / Lieutenant Macintyre / UNIT operative / Archaeologist)
- Helen Goldwyn (May Zalrick / Harmony Station AI)
- Hywel Morgan (Regent Tharlar / Alex Filton)
- Lucy Briggs-Owen (Tina Andresson)
- Joanna Bacon (Lady Gurlen)
- George Layton (Louis Markell / Human Guard)
Doctor Who - The Third Doctor Adventures
1. Doctor Who: The Third Doctor Adventures Volume 01
Written by Justin Richards Andy Lane
Starring Tim Treloar Katy Manning
