He rose to fame for his humorous roles in Friends, Clueless, Anchorman: The Legend of Ron Burgundy, and This is 40. He also appeared in the 2005 film, The 40-Year-Old Virgin, the 2010 film, Dinner for Schmucks, and the 2007 film, Knocked Up.
He starred alongside Jason Segel in I Love You Man.
He starred with Steve Carell in The 40-Year-Old Virgin.
His family moved to Overland Park, Kansas, when he was ten. He first appeared on the screen as Paul Stephen Rudd in his debut role, Halloween: The Curse of Michael Myers.
His father worked as a historical tour guide and his mother worked as a sales manager. He married his long-term girlfriend, Julie Yaeger, in 2003, and the couple had two children together.