The Citadel Main cast, played by Gareth Thomas Episode 1x01: Part 1 (Jan 20, 1983) Episode 1x02: Part 2 (Jan 27, 1983) Episode 1x03: Part 3 (Feb 3, 1983) Episode 1x08: Part 8 (Mar 10, 1983) Episode 1x09: Part 9 (Mar 17, 1983) Episode 1x10: Part 10 (Mar 24, 1983)