The Land Unknown is a Mesozoic island hidden in Anartica. The crew of a disabled helicopter discover prehistoric beasts, carnivorous plants, and the crazed survivor of a previous expedition. Prehistoric monsters untouched by time or the Ice-age! Jock Mahoney is Navy Commander, Hal Roberts. Shawn Smith is journalist, Margaret Hathaway. Laszlo Gorog wrote the screenplay. Directed by Virgil Vogel. Still another of the William Alland contributions to the genre. Click for other version of poster