Charlie was among the first to major in Fine Arts at Merrimack College, where he completed a thesis on the role of the theatre director, and staged a production of John Guare’s play The Loveliest Afternoon of the Year. Charlie was also active with the Onstagers Dramatic Society and was a short stop on the Varsity baseball team.
Charlie currently stars in the hit television series It’s Always Sunny in Philadelphia, where he also serves as a writer and executive producer. Other television credits include roles on Third Watch, Law and Order, and Reno 911! His film work includes Horrible Bosses, Going the Distance, and the upcoming film Pacific Rim.