- As a teen worked at the Bel-Air Country Club and caddied for stars including Clark Gable, Fred Astaire and Alan Ladd, which fueled his desire to be an actor.
- Film debut was in 1950's The Happy Years, which led to a series of minor film roles that culminated with his Golden Globe-nominated performance in Stars and Stripes Forever (1952).
- Gained respect by playing Spencer Tracy's son in 1954's Broken Lance and as a killer in 1956's A Kiss Before Dying.
- Transitioned to TV in 1968 as the lead in It Takes a Thief; continued to find TV-series success with roles on Switch and Hart to Hart.
- Made his producing debut in 1972 with the TV-movie Madame Sin, in which he starred opposite Bette Davis.