J Acting J.W. Percival No biography available. ↗ Share Known For‹Sylvia of the Secret Service · 1917Sylvia of the Secret Service★ 9.01917MovieDramaDuring World War I, a group of German saboteurs plot to blow up an ammunition dump in New York City. A secret agent sets out to stop them.▶+› FilmographySortPopularNewestTop ratedSylvia of the Secret Service · 1917Sylvia of the Secret Service★ 9.01917MovieDramaDuring World War I, a group of German saboteurs plot to blow up an ammunition dump in New York City. A secret agent sets out to stop them.▶+John W. Homing
