A test pilot is missing and a search party is sent out in the jungles of Mexico; however, while searching they uncover a monster in the jungle who became this way due to a dose of radioactivity.
A test pilot is missing and a search party is sent out in the jungles of Mexico; however, while searching they uncover a monster in the jungle who became this way due to a dose of radioactivity.
James Craig , Gloria Talbott , Lon Chaney Jr.
Ira H. Morgan
B&H Productions Inc. ,
as Russ Bradford
as Susan Winter
as Martin 'Marty' Melville