Blake's 7: The Keeper

"The Keeper" is the twelfth episode of series two of the British science fiction television series Blake's 7, and the twenty-fifth episode of the series overall. It was directed by Derek Martinus with a script written by Allan Prior. It first aired on BBC One on Tuesday, March 27th, 1979. The series stars Gareth Thomas as Roj Blake, Sally Knyvette as Jenna Stannis, Paul Darrow as Kerr Avon, Jan Chappell as Cally, Michael Keating as Vila Restal, Peter Tuddenham as the voice of Zen, and Jacqueline Pearce as Supreme Commander Servalan.