Roger Corman left the director’s chair after the WWI aerial warfare flick Von Richthofen and Brown in 1971. Starting New World Pictures, he segued into producing full time, figuring he could make more money that way. The cliche in Hollywood is that everyone wants to direct. Well, Corman directed 50 plus films, and apparently that was enough. He was certainly too much of a maverick to ever be comfortable in the studio system.
For whatever reason, whim perhaps, Corman was tempted back to helming duties for 1990’s Frankenstein Unbound. It basically disappeared without a ripple. However, it’s not like Kenneth Branagh’s much swankier and star-laden Mary Shelley’s Frankenstein, made only four years later, is much better remembered.