Blankety Blank Guest cast, played by John Leslie Episode 13x11: Show 11 (Aug 15, 1998) Episode 14x12: Show 12 (Oct 30, 1999) Episode 15x11: Show 11 (Mar 18, 2001) Episode 15x18: Show 18 (May 6, 2001) Episode 16x03: Show 3 (Mar 2, 2002) Episode 16x07: Show 7 (Mar 30, 2002)