Blankety Blank Guest cast, played by Jack Douglas Episode 1x03: Show 3 (Feb 1, 1979) Episode 1x16: Show 16 (May 10, 1979) Episode 2x02: Show 2 (Sep 13, 1979) Episode 2x15: Show 15 (Dec 13, 1979) Episode 3x10: Show 10 (Nov 6, 1980) Episode 4x07: Show 7 (Oct 15, 1981) Episode 5x02: Show 2 (Sep 11, 1982) Episode 8x19: Show 19 (Jan 10, 1986)