He went from pop musician and underwear model to serious actor in Boogie Nights.
Following in his brother Donnie's footsteps, he had a short-lived music career under the name, Marky Mark.
He played Irish American boxer Micky Ward in The Fighter, and was also the executive producer of the hit show, Entourage.
His brother is singer and actor, Donnie Wahlberg.
He was in The Perfect Storm with George Clooney.