Quantum Leap, has passed away.Stockwell died at home of natural causes, it has been confirmed by a statement provided by his family to Deadline. He was 85 years old.The actor’s film and TV career spanned over 70 years, and saw him star in a big screen adaptation of Sons And Lovers, and Long Day’s Journey Into Night opposite Katherine Hepburn.During a low point in his career, Stockwell considered a pivot to real estate.