Dean Stockwell (born Robert Dean Stockwell, March 5, 1936) is an American actor of film and television, with a career spanning over 65 years. As a child actor under contract to Metro-Goldwyn-Mayer he first came to the public's attention in films such as Anchors Aweigh and The Green Years; as a young adult he played a lead role in the 1957 Broadway and 1959 screen adaptations of Meyer Levin's Compulsion, a novel based on the true-life story of Leopold and Loeb.
More recently he became widely known for television roles, playing Rear Admiral Albert "Al" Calavicci in the 1989–93 television series Quantum Leap, and Brother Cavil in the Sci Fi Channel 21st century revival of Battlestar Galactica.
Stockwell has been part of the JAG / NCIS universe as Senator/Secretary of the Navy Sheffield in JAG and then as Tom Hamilton in the NCIS: New Orleans episode Chasing Ghosts. He is also part of the Donald P. Bellisario creations Quantum Leap and JAG.