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The veteran TV star was best known for his roles on Charlie's Angels, Dynasty and Bachelor Father over a career that lasted nearly five decades.
Forsythe also enjoyed a long-running career in theatre and first began appearing in films during the '40s.
His publicist Harlan Boll told The AP that Forsythe passed away in Santa Ynez late yesterday night due to complications with pneumonia brought on by a longterm battle against cancer.
