Michael Bowen Jr. is an American actor. He is best known for portraying Nicolas Cage's romantic rival, Tommy, in the cult classic Valley Girl (1983), Danny Pickett on the ABC series Lost, and Jack Welker on the AMC series Breaking Bad. Bowen is the only son of Beat painter Michael Bowen Sr. and actress Sonia Sorel (née Henius; 1921-2004) who was Bowen's first wife. His maternal great-grandfather was biochemist Max Henius, a Danish immigrant to America who himself was of Polish-Jewish descent, and his maternal great-grandmother was the sister of historian Johan Ludvig Heiberg. He grew up in San Francisco knowing "interesting characters - revolutionary-type people," which inspired his portrayal of Uncle Jack. Through his mother's other marriage he is the half-brother of actors Robert and Keith Carradine of the Carradine family. He is the half-uncle of actresses Martha Plimpton and Ever Carradine.