 In _"Galactica 1980" (1980)_ (qv) (the TV series from which this  movie is pieced together) the character of Dr Zee was played by  Robbie Rist (qv) in the pilot, but was subsequently replaced by  James Patrick Stuart (qv). However, footage of both actors turns  up in this movie. To get around this continuity issue, some lines  have been re