In the Black Scorpion giant scorpions escape from subterranean caverns after a Mexican earthquake to terrorize the countryside. Richard Denning plays Hank Scott and Mara Corday plays the rancher. Also starring Carlos Rivas and Mario Navarro. The screenplay by David Duncan and Robert Blees is based on a story by Paul Yawitz. Directed by Edward Ludwig and produced by Frank Melford and Jack Dietz. Willis O'Brien (whose work includes King Kong) co-designed the technical effects. Click for other version of poster