Blankety Blank Guest cast, played by Windsor Davies Episode 1x07: Show 7 (Mar 1, 1979) Episode 2x11: Show 11 (Nov 15, 1979) Episode 3x06: Show 6 (Oct 9, 1980) Episode 3x16: Christmas Special (Dec 26, 1980) Episode 4x10: Show 10 (Nov 5, 1981) Episode 6x01: Show 1 (Sep 3, 1983) Episode 7x04: Show 4 (Sep 28, 1984)