Directed by Edward Nassour and Ismael Rodríguez
Produced: Edward Nassour and William Nassour
Screenplay by Robert Hill and Jack DeWitt
From a story by H. O’Brien
Music by Raúl Lavista
Cinematography: Jorge Stahl
Special Effects: Louis DeWitt, Jack Rabin and Henry Sharp

CAST: Guy Madison (Jimmy Ryan), Patricia Medina (Sarita), Carlos Rivas (Felipe Sanchez), Eduardo Noriega (Enrique Rios).

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The Beast Of Hollow Mountain (1956) finds Guy Madison stars as an American rancher in Mexico who is very concerned that his  cattle are going missing — and eventually comes face to face with a dinosaur. (It takes place at the turn of the century.)

There is a lot to recommend The Beast Of Hollow Mountain. It’s got cowboys and a dinosaur.  It was filmed in Mexico and based on a story by Willis O’Brien, who spent years trying to raise the money to make the film himself –  unsuccessfully as it turned out. It’s got Patricia Medina from Botany Bay 1951 in it. Once it finally gets to the dinosaur, it really delivers the goods — although  the special effects are not that good..

The Valley Of Gwangi(1969) is a better-mounted version of O’Brien’s story, with excellent stop motion stuff from Ray Harryhausen. However, it doesn’t offer as much  fun. Beast Of Hollow Mountain comes from a real sweet spot in Guy Madison’s career. He’d just done The Command (1954) and 5 Against The House (1955), and he’d follow this oddball sci-fi Western with two of his finest films — Reprisal! (1956) and The Hard Man (1957), both directed by George Sherman for Columbia.