All at Number 20 Main cast, played by Gary Waldhorn Episode 1x01: Episode 1 (Feb 10, 1986) Episode 1x02: Episode 2 (Feb 17, 1986) Episode 1x03: Episode 3 (Feb 24, 1986) Episode 1x04: Episode 4 (Mar 3, 1986) Episode 1x05: Episode 5 (Mar 10, 1986) Episode 1x06: Episode 6 (Mar 17, 1986)