Roy Scheider | Dr. Heywood Floyd | |
Helen Mirren | Tanya Kirbuk | |
Keir Dullea | Dave Bowman | |
Madolyn Smith Osborne | Caroline Floyd | |
Taliesin Jaffe | Christopher Floyd | |
Mary Jo Deschanel | Betty Fernandez, Bowman's Wife |
John Lithgow | Dr. Walter Curnow | |
Bob Balaban | Dr. R. Chandra | |
Douglas Rain | HAL 9000 (hlas) | |
Dana Elcar | Dimitri Moisevitch | |
James McEachin | Victor Milson | |
Elya Baskin | Maxim Brajlovsky |