Glenn Howerton was born in 1976 in Okinawa, Japan. Glenn Franklin Howerton III (born April 13, 1976) is an American actor of television and film. He is best known for his role as Dennis Reynolds on FX's It's Always Sunny in Philadelphia (on... (Full Biography Below)
We found 22 films starring Glenn Howerton.
Glenn Howerton was born in 1976 in Okinawa, Japan. Glenn Franklin Howerton III (born April 13, 1976) is an American actor of television and film. He is best known for his role as Dennis Reynolds on FX's It's Always Sunny in Philadelphia (on which he is also a writer and executive producer). He also played Corey Howard on the short-lived 2002 sitcom That '80s Show.
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