Our Idiot Brother is a 2011 American comedy-drama film directed by Jesse Peretz and starring Paul Rudd, Elizabeth Banks, Zooey Deschanel and Emily Mortimer. The script was written by Evgenia Peretz and David Schisgall based on Jesse and Evgenia Peretz's story, and tells the story of a dimwitted but idealistic and well-meaning man who intrudes and wreaks havoc in his three sisters' lives.

Paul Stephen Rudd is an American actor and comedian. He studied theater at the University of Kansas and the American Academy of Dramatic Arts before making his acting debut in 1991. He received a star on the Hollywood Walk of Fame in July 2015, and was included on the Forbes Celebrity 100 list in 2019. In 2021, he was named People magazine's "Sexiest Man Alive".