The Citadel Main cast, played by John Welsh Episode 1x05: Part 5 (Feb 17, 1983) Episode 1x06: Part 6 (Feb 24, 1983) Episode 1x07: Part 7 (Mar 3, 1983) Episode 1x09: Part 9 (Mar 17, 1983) Episode 1x10: Part 10 (Mar 24, 1983)