Blake's 7

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Michael Keating (Vila Restal) is the only actor to appear in all 52 episodes of the series. In second place is Paul Darrow (Kerr Avon) who appeared in every episode except for the pilot, "The Way Back".
Paul Darrow (Kerr Avon), Michael Keating (Vila Restal) and Peter Tuddenham (Zen / Orac / Slave) are the only regular cast members to stay with the series throughout its entire run. The only other actors to appear in all four series are Gareth Thomas (Roj Blake), Jan Chappell (Cally) and Jacqueline Pearce (Servalan). However, it should be noted that Chappell's only participation in the fourth series was in the form of a brief and uncredited voice over.
Perhaps in part due to its dystopian themes, no children ever appear on the series.

Network: BBC one ( United Kingdom)
Type: Scripted
Genres: Action, Adventure, Drama, Sci-Fi
Status: Canceled/Ended
Airs: Mondays
Runtime: 50 Minutes
Premiere: January 02, 1978
Ended: December 21, 1981
This guide is currently edited by:
Gus (Challenge)