Scoot McNairy (born John Marcus McNairy, 1977) is an American actor known for his ability to portray complex and often tormented characters, with a nuanced yet impactful approach.

He gained critical acclaim with independent films such as Gareth Edwards' *Monsters* (2010), before solidifying his career in high-profile productions. His most memorable roles include Joe Stafford in Ben Affleck's *Argo* (2012), Tommy O'Mara in *Killing Them Softly* (2012) alongside Brad Pitt, and his unsettling performance in David Fincher's *Gone Girl* (2014).

McNairy is often cast as ordinary men caught in extraordinary circumstances, ambiguous characters, or marginalized figures, demonstrating remarkable versatility and a magnetic screen presence.