Milo Ventimiglia & Justin Hartley on This is Us (2016)

NBC's new drama This is Us plays with the premise of time, as it follows the lives of a family sharing the same birthday. Justin Hartley stars as Kevin, a hot actor who finds his career at a crossroads. He got two shirtless scenes in the premiere as he spent some bedroom time with two women and later filmed a scene of his show-within-the-show "The Manny." Milo Ventimiglia also stars as Jack, who is revealed to be Kevin and his siblings' father, with Jack's story taking place 36 years in the past. Milo got a brief rear nude scene to open the episode. He remained shirtless for a few scenes before his wife went into labor.