April 1978: Shooting in Studio 4 at BBC Television Centre, London
Part One of 'The Key To Time'
The Doctor Tom Baker Romana Mary Tamm Garron Iain Cuthbertson Unstoffe Nigel Plaskitt The Guardian Cyril Luckham Graff Vynda-K Paul Seed Sholakh Robert Keegan The Seeker Ann Tirard Binro Timothy Bateson Captain Prentis Hancock Shrieve Guard John Hamill
Directed by George Spenton-Foster Written by Robert Holmes Produced by Graham Williams
Binro (Timothy Bateson) and Unstoffe (Nigel Plaskitt)