
76 minutes
8/7/1959
Academic researchers are chased by a nuclear-hot specimen of ancient Mayan blob.

John Merivale
as Dr. John Fielding

Didi Sullivan
as Ellen Fielding

Gérard Herter
as Max Gunther

Daniela Rocca
as Linda

Vittorio André
as Prof. Rodriguez

Daniele Vargas
as Bob

Nerio Bernardi
as Police Inspector

Giacomo Rossi Stuart
as Prof. Rodriguez's Assistant

Gail Pearl
as Indian Dancer

Tom Felleghy
as Astronomo

Arturo Dominici
as Nieto

Mario Bava
as Mexican at police station (uncredited)

Renzo Palmer
as Narrator (voice)

Leslie Daniels
as Prof. John Fielding (voice)

Renato De Carmine
as Prof. John Fielding (voice)

Stefano Sibaldi
as Max Gunther (voice)
Michele Malaspina
as Prof. Rodriguez (voice)
Rolf Tasna
as Bob (voice)