Glenn Howerton

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Known For


Cast Credits

A.P. Bio (2018)
Starring as Jack Griffin
  • Episode 1x01: Pilot (Feb 1, 2018)
Fargo (2014)
Guest starring as Don Chumph (5 episodes)
The Mindy Project (2012)
Guest starring as Cliff Gilbert (12 episodes)
House of Lies (2012)
Guest starring as Seth Buckley (4 episodes)
Vietnam in HD (2011)
Starring as Donald DeVore
It's Always Sunny in Philadelphia (2005)
Starring as Dennis Reynolds (133 episodes)
That '80s Show (2002)
Starring as Corey Howard (13 episodes)
Family Guy (1999)
Guest starring as Co-Worker

Crew Credits

It's Always Sunny in Philadelphia (2005)
Show crew as Executive Producer
Episode crew as Writer (34 episodes)
Episode crew as Story (6 episodes)
Cool Kids ()
Show crew as Creator