Humanity finds a mysterious object buried beneath the lunar surface and sets off to find its origins with the help of HAL 9000, the world's most advanced super computer.

Keir Dulleaas Dr. David Bowman
Gary Lockwoodas Dr. Frank Poole
William Sylvesteras Dr. Heywood Floyd
Douglas Rainas HAL 9000 (voice)
Daniel Richteras Moonwatcher
Leonard Rossiteras Dr. Andrei Smyslov
Margaret Tyzackas Elena
Robert Beattyas Dr. Ralph Halvorsen
Geoffrey Unsworth