Paul Stephen Rudd (born April 6, 1969) is an American actor. Rudd studied theatre at the University of Kansas and the American Academy of Dramatic Arts before making his acting debut in 1991. He was included on the Forbes Celebrity 100 list in 2019 and was named People magazine's "Sexiest Man Alive" in 2021. The accolades he has received include a Critics' Choice Television Award, as well as nominations for a Golden Globe Award, two Primetime Emmy Awards, and two Screen Actors Guild Awards.

Rudd appeared in the films Clueless (1995), Halloween: The Curse of Michael Myers (1995), Romeo + Juliet (1996), Wet Hot American Summer (2001), Anchorman: The Legend of Ron Burgundy (2004), The 40-Year-Old Virgin (2005), Knocked Up (2007), I Love You, Man (2009), and This Is 40 (2012). He has played the superhero Scott Lang / Ant-Man in five Marvel Cinematic Universe (MCU) films, from Ant-Man (2015) to Ant-Man and the Wasp: Quantumania (2023). He played Gary Grooberson in the Ghostbusters films Afterlife (2021) and Frozen Empire (2024).