Maxwell Jenkins (born May 3, 2005) is an American film and television actor, who is known for his roles in Lost in Space, A Family Man, and Sense8. In 2020, he played the role of Joseph Bell in the true story of Joe Bell, starring Mark Wahlberg and directed by Reinaldo Marcus Green. In 2021 he was cast as the young Jack Reacher in the Amazon Prime series.
Source : Wikipedia