From USA TODAY.

Best known for his roles as Lewis in "Revenge of the Nerds" and Sam in "Lizzie McGuire," Robert Carradine has died at 71 after navigating bipolar disorder.

Read more: https://www.usatoday.com/story/entertainment/celebrities/2026/02/24/robert-carradine-death-lizzie-mcguire-actor-revenge-nerds/88838510007/