A huge burrowing machine tunnels out of control at ferocious speed, cutting clean through to the center of the earth, to the twilight world of pellucidar. Once there, Dr. Perry and David Innes are threatened by half human creatures, lizard-like birds, and man-eating plants.

Genres

Cast

Doug McClure

David Innes

Peter Cushing

Dr. Abner Perry

Caroline Munro

Princess Dia

Cy Grant

Ra

Godfrey James

Ghak

Sean Lynch

Hoojah

Keith Barron

Dowsett

Helen Gill

Maisie

Anthony Verner

Gadsby

Robert Gillespie

Photographer