A portion of the tail of a prehistoric reptile is discovered in Denmark. It regenerates into the entire reptile, which proceeds to destroy buildings and property and generally make a nuisance of itself. It can fly, swim, and walk, and has impenetrable scales, which makes it difficult to kill.
Bent Mejding
as Svend Viltorft
Asbjørn Andersen
as Professor Martens
Ann Smyrner
as Lise Martens
Mimi Heinrich
as Karen Martens
Dirch Passer
as Petersen
Marlies Behrens
as Connie Miller
Carl Ottosen
as US General
Ole Wisborg
as Capt. Einer Brandt
Birthe Wilke
as
Bodil Miller
as Connie Miller
Mogens Brandt
as Police Chief Hassing
Kjeld Petersen
as Police Officer Olsen
