Biography
Mark Duplass is an American actor, filmmaker and musician. Born on 7 December 1976 in New Orleans, Louisiana, he founded Duplass Brothers Productions with his brother Jay in 1996. The company produced their early features, including 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 films Creep (2014) and Creep 2 (2017), as well as the spin-off series The Creep Tapes (2024). His other acting credits include Safety Not Guaranteed (2012), The One I Love (2014), Tully (2018), Paddleton (2019) and Language Lessons (2021). On television he appeared in The League (2009–2015), Togetherness (2015–2016) and The Morning Show (2019–present), receiving two Primetime Emmy Award nominations for the latter.
He plays Phil in the 2026 film Backrooms.
