Rose to fame in 2016 playing young Kate Pearson in the NBC drama This Is Us. She is also accredited with contributing to the show's soundtrack as a performer.
She made her acting debut playing Ruby in a couple 2012 episodes of Anger Management.
She is known on Snapchat, Twitter, and Instagram by the handle hannahzeilexo. She knew as a child that she wanted to be an actress, and began studying and practicing memorizing lines while in grade school. After realizing her dream, she went to go study professionally but was soon picked up by an agent. She has also appeared on the podcast series "In Creative Company."
She portrays the younger counterpart to Chrissy Metz in This is Us.