Dean Stockwell is an actor of film and television, active for over 60 years 
and unlike many child actors, he continued to act well past his teenage
years. He is most known for his role as Rear Admiral Albert “Al” Calavicci
in the NBC television series Quantum Leap (1989 – 1993) and in the Sci 
Fi revival of Battlestar Glactica as Brother Cavil.

Young Dean Stockwell in Anchors Aweigh (1945)

Dean Stock as a Japanese soldier in  A Quality of Mercy a Twilight Zone
episode in 1961.

Dean Stockwell with costar Scott Bakula, right, in Quantum Leap