Watch the “A Christmas Eve Stunner” clip from the NBC drama series This Is Us Season 1. <br /><br />This Is Us Cast: <br /><br />Milo Ventimiglia, Mandy Moore, Sterling K. Brown, Chrissy Metz, Justin Hartley, Susan Kelechi Watson, Chris Sullivan, Logan Shroyer, Hannah Zeile and Niles Fitch<br /><br />Stream This Is Us on Peacock!
