With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.

Bruce Kellogg
as Wright Thompson, Jr.

Otto Waldis
as Dr. Max A. Bauer

Jim Bannon
as Andrew "Andy" Ostergaard

Tom Handley
as Dr. James Paxton

Dick Cogan
as Dr. George Coleman

George Baxter
as Carlisle Foundation Chairman

Marilyn Nash
as Dr. Joan Lindsey

Victor Kilian
as Dr. Jeremiah Morley (uncredited)
CinemaSerf
Yikes, but this is a rotten film. The premiss is that in the face of impending nuclear doom we are all to take shelter under the surface of the planet. Luckily for us, the ground beneath our feet is only skin deep; thereafter it is full of beautiful features, cool clear water and an astonishing degr...