The following chart shows actors with whom Jack appeared on Broadway, in films, and on television long before Steve McGarrett was more than a glimmer in Leonard Freeman's eye. All went on to appear on Hawaii Five-0. Some of these names may surprise you.
Many thanks to Steve's Girl, who generated the lion's share of this list.
The following chart shows actorswhoappearedwithJackonbothHawaii Five-0and hislast production,M Station: Hawaii:
The following chart shows actors who appeared on both Hawaii Five-0 and Magnum, PI: