The actor, known for playing doltish sad sacks, brings torment to the surface as a stand-up in "Is This Thing On?" ...

Arnett co-wrote his new film, in which he plays a man going through a divorce who finds himself onstage doing stand-up. He also has an extensive voiceover career, and co-hosts the SmartLess podcast.

The "Arrested Development" star tells IndieWire about learning to be unfunny for his career-best performance in "Is This ...

Will Arnett on his new movie, 'Is This Thing On,' doing stand-up, friendship with Amy Poehler, 'SmartLess,' 'Arrested Development,' 'BoJack' and more ...

The beloved funnyman talks to Obsessed about his surprisingly dramatic role in Bradley Cooper’s latest Oscar hopeful movie.

Will Arnett is clapping back at all the “f–king hilarious” rumors about his dynamic with his ex-wife Amy Poehler, explaining that the former spouses are actually good friends.

With Leonardo DiCaprio, Timothée Chalamet, and Amy Madigan giving career-best work this year, we run down the 30 best movie ...

Will Arnett and Laura Dern add emotional heft to Bradley Cooper’s intimate comedy about a separated spouse who finds solace ...

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By laying the groundwork for the storylines ahead and immediately making progress down those roads, Fallout Season 2's second ...

Justine might have been the more famous Bateman sibling when they were young, but ultimately it was Jason who stuck it out ...

Is This Thing On? is loosely based on the life of British comedian John Bishop, and with the help of Bradley Cooper’s direction, Will Arnett gives a career-defining performance, Ethan Anderton of ...