Crack in the World (1965)

Crack in the World
Science Fiction, Action
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.
Starring
Dana Andrews, Janette Scott, Kieron Moore, Alexander Knox, Peter Damon, Sydna Scott, Gary Lasdun, John Karlsen, Alfred Brown, Mike Steen
Directed By
Andrew Marton