
Roy Scheider
Dr. Heywood Floyd

While planet Earth poises on the brink of nuclear self-destruction, a team of Russian and American scientists aboard the Leonov hurtles to a rendezvous with the still-orbiting Discovery spacecraft and its sole known survivor, the homicidal computer HAL.

Dr. Heywood Floyd

Dr. Walter Curnow

Tanya Kirbuk

Dr. R. Chandra

Dr. David Bowman

HAL 9000 (voice)