Are actors Barbara and Alan hale related?

Barbara Hale (best known as DELLa Street on Perry Mason) and Alan Hale (best known as the Skipper on Gilligan's Island) are not related. Alan Hale's father's real name was Rufus Edward McKahan, but he took the stage name Alan Hale, Sr.

However, William Katt, best known for starring in The Greatest American Hero, is Barbara Hale's real-life son. William Katt also played detective Paul Drake, Jr., in several Perry Mason Made-for-TV Movies.