This Is Us: A disliked character returns and will continue to make things uncomfortable for Jack Pearson Mon Apr 05, 2021 at 11:44am ET Jack Pearson (Milo Ventimiglia) will continue to struggle with feelings of inadequacy when a former character returns for a new story arc. Pic credit: NBC This Is Us will welcome back a disliked character from Season 4 that will continue to make things uncomfortable for Jack Pearson (Milo Ventimiglia) in his marriage to Rebecca (Mandy Moore). Rebecca’s dad Dave (Tim Matheson) will return to the show for a story arc. The character was first introduced in Season 4 of the NBC series after Jack first met Rebecca’s parents, and Dave did not feel Jack was good enough for his daughter.