10. One Actress, Two Jobs
Actress Peggy Ryan is known for playing McGarrett’s secretary, Jenny Sherman. Most people recognize her for that role, but did you know that Ryan also played the Hawaiian governor’s secretary, Mildred, in two episodes of the first season? The producers liked her performance early on, and decided to re-cast her as a more important character.
9. One Job, Six Actors
Throughout the entire original series, the government intelligence chief, Jonathan Kaye, was played by six different actors! The actors included Joseph Sirola, James Gregory, Lyle Bettger, Tim O’Connor, Robert Dixon, and Bill Edwards. That’s a lot of re-casting.