Steven James Zahn ( ZAHN; born November 13, 1967) is an American actor. In film, Zahn is best known for his lead roles in That Thing You Do! (1996), Happy, Texas (1999), Joy Ride (2001), National Security (2003), A Perfect Getaway (2009), the Diary of a Wimpy Kid film series (2010–2012), Cowboys (2020), and LaRoy, Texas (2023). His notable supporting roles in films include Reality Bites (1994), Out of Sight (1998), Forces of Nature (1999), Employee of the Month (2004), the Stuart Little film series (1999–2002), Riding in Cars with Boys (2001), Chicken Little (2005), Sahara (2005), Rescue Dawn (2006), Dallas Buyers Club (2013), The Good Dinosaur (2015), Captain Fantastic (2016) and War for the Planet of the Apes (2017).
In television, Zahn is best known for his main cast credits as Davis McAlary in the HBO series Treme (2010–2013), Cobi in the Amazon Prime Video series Mad Dogs (2015–2016), Jude Ellis in the ABC science fiction series The Crossing (2018), and Mark Mossbacher in season 1 of the HBO anthology series The White Lotus (2021).
Zahn received an Independent Spirit Award, a Primetime Emmy Award nomination for The White Lotus, as well as two Screen Actors Guild Awards.