Other mistake: The number of buttons on the left shoulder of Tarrant's costume keeps changing throughout this episode. Most of the time, all 4 are there, but in several intermittent shots, one of the buttons is missing. (00:32:00 - 00:37:25)
Blake's 7 (1978)
1 other mistake in Assassin
Starring: Jan Chappell, Michael Keating, Paul Darrow, Peter Tuddenham
Cygnus Alpha - S1-E3
Continuity mistake: When Vargas beams up to the Liberator just ahead of Blake, Gan & Vila, he challenges them when they arrive from the other side of the room - by stepping out of the teleport bay. But they're standing in the teleport bay, and Liberator has only one. So exactly where is Vargas standing? (00:48:15)
More trivia for Blake's 7