 Those films included "House of Rothschild" (1934) and "The Adventures of Sherlock Holmes" (1939); the latter film is considered one of the best in the Sherlock Holmes series.During the early 1940s, he directed a number of comedies including Laurel & Hardy's "A-Haunting We Will Go" (1942).In the late 1940s, Werker worked for the B-picture film studio Eagle-Lion Films.