Willis H. O'Brien The Ghost of Slumber Mountain The Lost World R.F.D., 10,000 B.C. The Animal World The Ghost of Slumber Mountain The Dinosaur and the Missing Link: A Prehistoric Tragedy Prehistoric Poultry Creation Morpheus Mike Along the Moonbeam Trail The Black Scorpion The Last Days of Pompeii The Son of Kong The Lost World The Beast of Hollow Mountain Prehistoric Poultry The Black Scorpion The Giant Behemoth King Kong vs. Godzilla King Kong The Beast of Hollow Mountain King Kong vs. Godzilla The Giant Behemoth The Animal World The Lost World The Ghost of Slumber Mountain The Ghost of Slumber Mountain The Ghost of Slumber Mountain Mighty Joe Young