By posters on here and in the book 'The Twilight Zone Companion' by Zicree. The actors turns in brilliant performances of strength and to the point competence ( beautiful Jacqueline Scott a standout) and the space travel scenes are far more realistic than you would expect from a 1963 TV show. Interestingly, Sheri Lee Bernath turns in a greater performance as Gaines daughter on our Earth than in the parallel one.
Review of The Parallel
