There are some seasons where we’re like ‘oh, I can’t do this anymore.’ But there are other seasons where everyone is just ...

Here's how the actor/writer/producers approach improvisation on the set of the long-running comedy series It's Always Sunny ...

Glenn Howerton doesn't believe the character he plays, Dennis Reynolds, harbors anti social behavior in 'It's Always Sunny in ...

It’s Always Sunny in Philadelphia” star Glenn Howerton had a lesson in Murphy’s Law with his Tesla Model X. So much so that ...

Oh, Dennis Reynolds, the resident sociopath of It’s Always Sunny in Philadelphia. Thanks to Glenn Howerton’s mastery of ...

I’m always getting cast as raving lunatics and maniacs, so it’s nice to do something different, every once in a while,” said ...

Glenn Howerton ditches his dark side in Sirens, playing a clueless bachelor so charmingly naive, even Dennis Reynolds would be confused.

Costar Glenn Howerton, who lived with McElhenney, said Olson would suddenly be too drunk and need to stay over.

He knew that Glenn Howerton, his longtime “It’s Always Sunny in Philadelphia” co-star, had shaved his glorious locks for his first major starring film role in “BlackBerry.” What he didn ...

Glenn Howerton: The truth is ... The connection for me between this character and, say, It’s Always Sunny’s Dennis, is the level of intensity with which they operate in the world.