Stop Yellin' - Ben Pivar and the Horror, Mystery, and Action-Adventure Films of His Universal B Unit - Paperbackby Thomas Reeder (Author) Never heard of him? Not surprising, as Ben Pivar was one of the faceless craftsmen who inhabited the sizable world of Hollywood's cinematic underbelly, the B film. But while often disparaged and mocked for their low budget look, breakneck storytelling, and low wattage casts, B films occupied the second half of most theaters' bill during the thirties and forties something most patrons expected to fill out their evening's