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Glenn Howerton

Glenn Howerton TV Shows

Actor

Every TV Show with Glenn Howerton

7 credits
2025
Sirens
Sirens
Ethan Corbin II
Drama, Comedy
2023
Velma
Velma
Fred (voice)
Animation, Crime, Mystery
2018
A.P. Bio
A.P. Bio
Jack Griffin
Comedy
2011
Vietnam in HD
Vietnam in HD
Don Devore
Documentary, War & Politics
2008
Boldly Going Nowhere
Boldly Going Nowhere
Drama
2005
It's Always Sunny in Philadelphia
It's Always Sunny in Philadelphia
Dennis Reynolds
Comedy
2002
That '80s Show
That '80s Show
Corey Howard
Comedy