
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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(voice)
Animal Control Guy #1 (voice)
Dennis Reynolds
Don Chumph
Nick Cooper
Cliff Gilbert
Dennis
Jim Balsillie
Dick Ebersol
Self
Jack Griffin
Uncle Al
Fred (voice)
Mike
Will
Doctor
Doctor
Ethan Corbin II
Richard
Young Guy
Lilac Young Tough
Jerry Conwell
Clint (voice)
Dirt (voice)
Clint / Dirt (voice)
Matthew Bergman
Corey Howard
Michael
Paul Webster
Don Devore
Self
The Manager
Business Manager
Jerry Alter
Gary
Dennis Reynolds
Self - Guest
John
Dominic
Dennis Reynolds
Audience
Self
Self
Self
Self
Self
Self
Self