Dr. Steven Sorenson plans to tap the geothermal energy of the Earth's interior by means of a thermonuclear device detonated deep within the Earth. This experiment causes a crack to form and grow within the Earth's crust, which threatens to split the earth in two if it is not stopped in time.
Cast
Dana Andrews
Dr. Stephen Sorenson
Janette Scott
Dr. Maggie Sorenson
Kieron Moore
Dr. Ted Rampion
Alexander Knox
Sir Charles Eggerston
Peter Damon
John Masefield
Sydna Scott
Angela
Gary Lasdun
Markov
John Karlsen
Dr. Reynolds
Alfred Brown
Dr. Bill Evans
Mike Steen
Steele
Todd Martin
Simpson
Jim Gillen
Rand
Ben Tatar
Indian Ambassador
Emilio Carrere
Unknown
Crew
Andrew Marton
Director
Jon Manchip White
Screenplay, Story
Julian Zimet
Screenplay
Derek Parsons
Editor
Manuel Berenguer
Director of Photography
José María Ochoa
Assistant Director
Philip Yordan
Executive Producer
Bernard Glasser
Producer
Lester A. Sansom
Producer
Laure Lourié
Costume Design
Josefa Rubio
Hairstylist
Carmen Martín
Makeup Artist
Kurt Herrnfeld
Sound Editor
Maurice Askew
Sound Recordist
David Hildyard
Sound Recordist
Eugène Lourié
Special Effects, Art Direction
Alex Weldon
Special Effects
Johnny Douglas
Original Music Composer, Conductor
Isabel Ruiz Capillas
Script Supervisor
Tíbor Reves
Production Manager
