Acting Emil Van Horn Acting The Ape Man The Ape 1943 Sleepy Lagoon Gorilla (uncredited) 1943 Professor Creeps Lulu the Gorilla 1942 Never Give a Sucker an Even Break Gargo the Gorilla (uncredited) 1941 Keep 'Em Flying Man in Gorilla Costume (uncredited) 1941 House of Mystery Ape (uncredited) 1934 Agent-readable