Baby: Secret of the Lost Legend Baby: Secret of the Lost Legend is a 1985 American adventure fantasy film directed by Bill L. Norton and starring William Katt, Sean Young, Patrick McGoohan, and Julian Fellowes. Plot: The film follows paleontologist Susan Matthews-Loomis and her husband George, who stumble upon Brontosaurus on an expedition in Central Africa while trying to track down a local monster. The two are pursued by the African military in an attempt to protect a baby dino and its parents