 He often starred alongside Dorothy Gibson, an actress who survived the sinking of the "Titanic".Johnstone directed three films; one in 1913 called "Truth in the Wilderness", starring Charlotte Burton, "The Turning Point" (1914), and "The Unforgiven" (1915).In the 1916 serial "Secret of the Submarine", Johnstone got to fly Juanita Hansen in a Curtiss Model D pusher biplane.