Justin Henry is an American actor and businessman, known for playing the object of the titular custody battle in the 1979 film Kramer vs. Kramer, a debut role that earned him a nomination for the Academy Award for Best Supporting Actor, when he was eight years old. As of 2022, he remains the youngest Oscar nominee in any category. The performance later earned him a spot (No. 80) on VH1's list of 100 Greatest Kid Stars. Most of his film and television credits came as a child or teenager, although he has continued acting as an adult.