Christopher Ashton Kutcher is an American actor, producer, investor and former model.\nKutcher began his career as a model. He began his acting career portraying Michael Kelso in the Fox sitcom That '70s Show, which aired for eight seasons. He made his film debut in the romantic comedy Coming Soon and became known by audiences in the comedy film Dude, Where's My Car?, which was a box office hit. In 2003, he appeared in romantic comedies Just Married and My Boss's Daughter and the same year created, produced and hosted Punk'd which aired on MTV for five seasons until its revival in 2012 which has since completed its ninth season. In 2004, Kutcher starred in the lead role of the psychological film The Butterfly Effect and gained public recognition.\nSubsequently, Kutcher appeared in more romantic comedies including Guess Who, and A Lot Like Love, his recent ones include What Happens in Vegas and No Strings Attached. From 2011 to 2015, he has starred as Walden Schmidt on the CBS sitcom Two and a Half Men, replacing Charlie Sheen. In 2013, Kutcher portrayed Steve Jobs in the biographical film Jobs.