Kirk Sisco [Edit] By Sticky Facts Editorial StaffKirk Sisco biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Is Kirk Sisco gay or straight?StraightWhat religion is Kirk Sisco?ChristianWhat is Kirk Sisco's ethnicity?White What is Kirk Sisco nationality?AmericanWhat is Kirk Sisco's occupation?Actor Tags: actoramerican Suggested Posts Justin Bieber Facts Tom Cruise Facts Brad Pitt Facts Peter Dinklage Facts Madonna Facts Anna Nicole Smith Facts Florence Henderson Facts Mike Tyson Facts