Ashton Kutcher (Michael Kelso)
The actor, along with co-star Mila Kunis, has arguably been the most successful cast member since the show went off the air. Along with starring in a bevy of feature films, Ashton joined the hit sitcom Two and a Half Men in Season 9. He currently stars alongside '70s co-star Danny Masterson in The Ranch. As for his personal life, he married Mila in July 2015 after welcoming their daughter Wyatt the year before.