Actor Aidan Gillen had akey role on one of the most important television series of all time—Game of Thrones. Now he's on a new show, Project Blue Book. Gillen stars on the series as Dr. J.

Aidan is a gorgeous actor, who is always there for you as a scene partner, both on and off camera.” Gillen added: “I like a good ensemble drama and I’ve made it my business to seek them out ...