The Citadel Main cast, played by Niall Buggy Episode 1x04: Part 4 (Feb 10, 1983) Episode 1x05: Part 5 (Feb 17, 1983) Episode 1x08: Part 8 (Mar 10, 1983) Episode 1x09: Part 9 (Mar 17, 1983) Episode 1x10: Part 10 (Mar 24, 1983)