Dean Stockwell, , ‘Quantum Leap’ Star, Dead at 85.br According to 'Deadline,' br Stockwell died at home of br natural causes early on Nov. 7.br The Oscar- and Emmy-nominated actor's career spanned br over 70 years with appearances on stage, TV and film.br In his youth, he appeared in films alongside Hollywood heavyweights such as Frank Sinatra, Gene Kelly and Errol Flynn.br Stockwell later went on to star is films such as 'Blue Velvet,' 'Dune,' 'Married to the Mob,' 'The Rainmaker' and 'The Player.'.br Stockwell later went on to star is films such as 'Blue Velvet,' 'Dune,' 'Married to the Mob,' 'The Rainmaker' and 'The Player.'.br In 1989, he landed the role of br Admiral Al Calavicci on 'Quantum Leap.'.br In 1989, he landed the role of br Admiral Al Calavicci on 'Quantum Leap.'.br He and Scott Bakula, who played Dr. Sam Beckett, captured the imaginations of viewers for five seasons.br He and Scott Bakula, who played Dr. Sam Beckett, captured the imaginations of viewers for five seasons.br Stockwell's other TV credits include br 'Battlestar Galactica,' 'JAG,' br 'The Tony Danza Show, br 'NCIS: New Orleans' and more.br He retired from acting in 2015 and pursued an br art career, exhibiting his work around the United States.