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Mark David Duplass (born December 7, 1976) is an American filmmaker, actor, writer, and musician. With his brother Jay Duplass, he started the film production company Duplass Brothers Productions in 1996, for which they wrote and directed The Puffy Chair (2005), Baghead (2008), Cyrus (2010), Jeff, Who Lives at Home (2011), and The Do-Deca-Pentathlon (2012). Duplass co-wrote and starred in the horror film Creep (2014) and its sequel Creep 2 (2017), as well as the television spin-off The Creep Tapes (2024). He co-wrote and co-produced the television anthology series Room 104 (2017–2020). His other acting credits include Humpday (2009), The League (2009–2015), Greenberg (2010), Safety Not Guaranteed (2012), The One I Love (2014), The Lazarus Effect (2015), Togetherness (2015–2016), Blue Jay (2016), Tully (2018), Goliath (2018–2019), Paddleton (2019), and Language Lessons (2021). For his portrayal of Charlie "Chip" Black in The Morning Show (2019–present), Duplass received two nominations for the Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series. He was also the lead singer of the indie rock band Volcano, I'm Still Excited!! Description above from the Wikipedia article Mark Duplass, licensed under CC-BY-SA, full list of contributors on Wikipedia.
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44 acting credits · Includes cameos and other appearances where listed.

Phil

Steve

Josef

Doug Brunt

Frank Walton

Kenneth

Ethan

Aaron

Craig

Eric Beller (Beller's Party)

Bobby

Kenneth O'Donnell

Bryan

Mark

Uncle Lanning

Jim

Adam

Self - Filmmaker

Cast

Man in LA

Michael

Daddy (voice)

Scott

Ben

The Narrator (voice)

Josh
Doug Rhineau

Cast

Mark

Billy

Cast

John Ashford

Principal Mark Karen

Rick

Brad

Mark

Chuck

Sam Bryant

Charlie Brownsville