<Li> Justin Hartley as Kevin Pearson: Jack and Rebecca's son, and Kate and Randall's brother . Also played by Logan Shroyer (ages 15--17) and Parker Bates (ages 8--10). </Li> <Li> Susan Kelechi Watson as Beth Pearson: Randall's wife, and mother of Tess and Annie . </Li> <Li> Chris Sullivan as Toby Damon: Kate's fiancé . </Li> <Li> Ron Cephas Jones as William H. "Shakespeare" Hill: Randall's biological father . Also played by Jermel Nakia as a young adult . </Li>

Who plays kate's husband in this is us