Blankety Blank Guest cast, played by Tony Blackburn Episode 4x11: Show 11 (Nov 12, 1981) Episode 5x05: Show 5 (Oct 2, 1982) Episode 6x05: Show 5 (Oct 1, 1983) Episode 7x19: Show 19 (Feb 8, 1985) Episode 8x03: Show 3 (Sep 20, 1985)