A turn of the century wild west show struggling to make a living in Mexico comes into the possession of a tiny prehistoric horse. This leads to an expedition to the Forbidden Valley where they discover living dinosaurs. They capture one and take it back to be put on display, leading to inevitable mayhem.
James Franciscus
Tuck
Gila Golan
T.J.
Richard Carlson
Champ
Laurence Naismith
Professor Bromley
Freda Jackson
Tia Zorina
Gustavo Rojo
Carlos
Dennis Kilbane
Rowdy
Mario De Barros
Bean
