Cast
- Colin Baker (The Doctor)
- Louise Jameson (Leela)
- Lalla Ward (Romana)
- Christopher Benjamin (Henry Gordon Jago)
- Trevor Baxter (Professor George Litefoot)
- Lisa Bowerman (Ellie Higson)
- Conrad Asquith (Sergeant Quick)
- Jamie Glover (Rees / O'Linne)
- Osmund Bullock (Carruthers)
- Stephen Critchlow (Evans / Gerald the Barman / Theatre Doorman / Harold Moorcroft / Josh / Doctor / Minister / General / Soldier / Carlos Marquez / Rees's Father / Guard)
- Sinead Keenan (Young Woman / Woman in Street / Stephanie Wilton / Receptionist / Terravore)
- Rory Keenan (Constable Jenkins / James Wilton / Harry / Soldier)
- Pamela Salem (Professor Rachel Jensen)
- Simon Williams (Group Captain Ian Gilmore)
- Karen Gledhill (Allison Williams)
- Hugh Ross (Sir Toby Kinsella)
- Helen Goldwyn (Margaret / Mrs Moorcroft / Nurse / Time Lord)
- Daphne Ashbrook (Captain Ruth Matheson)
- Yee Jee Tso (Warrant Office Charlie Sato)
- Richard Franklin (Mike Yates)
- Rachel Atkins (Lieutenant Jane Lucas)
The Worlds of Doctor Who - Special Releases
Doctor Who: The Worlds of Doctor Who (Limited Edition)
Written by Justin Richards Jonathan Morris Nick Wallace
Starring Colin Baker Louise Jameson