Countdown Guest cast, played by Hayley Mills Episode 21x05: Episode 5 (Jan 15, 1991) Episode 21x06: Episode 6 (Jan 16, 1991) Episode 21x07: Episode 7 (Jan 17, 1991) Episode 21x08: Episode 8 (Jan 18, 1991) Episode 21x09: Episode 9 (Jan 21, 1991)
