Question: who plays high school kate in this is us
Answer: 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 .