Singer-songwriter Damien Dempsey is headlining the concert, which will take place at the ­3Olympia Theatre in Dublin on February 7. It will be MC-ed by Game of Thrones actor Aidan Gillen ...

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.