H. Bruce Humberstone: H. Bruce Humberstone. Director: Wonder Man. A juvenile actor, Bruce Humberstone started his career as a script clerk, later serving as assistant director for the likes of King Vidor, Edmund Goulding and Allan Dwan. One of the 28 founders of the Directors Guild of America, Humberstone worked in a number of capacities on several silent films. With no distinct directing style of his own, Humberstone was able to direct comedies,...