who plays high school kate in this is us
List of This Is Us characters Kate Emily Pearson (born August 31, 1980), portrayed by Chrissy Metz (current day), Hannah Zeile (age 15—17), and Mackenzie Hancsicsak (ages 8—10), is Jack and Rebecca's daughter, and Kevin and Randall's sister.[4] She is "Number Two" of the "Big Three", being the second and last of the surviving triplets to be born.[4]