Gallery Demon Keeper (1994) Scruples (1981) Butterflies Are Free (1971) This is the play where Dirk co-starred with the legendary Gloria Swanson, who would have a profound impact on him. Conventions/Appearances Conventions/Appearances 2003-2015 2016 Appearances 2017 Appearances Crypticon, Kansas City 2017 Liverpool, UK 3/18 Duke City Comic Con 7/18 Misc. Fan Photos Zork: Grand Inquisitor (1997) The first video game Dirk leant his talents to.