Victor French played "Mark Gordon"in "Highway to Heaven" from the show's first episode in 1984 to its last in 1989. Before that, he had starred as "Isaiah Edwards" (1974-1983) on "Little House on the Prairie" and had also directed a couple of episodes of the popular show. Unfortunately, French died on June 15, 1989 in Los Angeles, California, after a battle with lung cancer. He was only 54...