Reparto (27)
Roy Scheider
Dr. Heywood Floyd
John Lithgow
Dr. Walter Curnow
Helen Mirren
Tanya Kirbuk
Bob Balaban
Dr. R. Chandra
Keir Dullea
Dr. David Bowman
Douglas Rain
HAL 9000 (voice)
Madolyn Smith Osborne
Caroline Floyd
Savely Kramarov
Dr. Vladimir Rudenko
Taliesin Jaffe
Christopher Floyd
James McEachin
Victor Milson
Mary Jo Deschanel
Betty Fernandez
Ilya Baskin
Maxim Brailovsky
Dana Elcar
Dimitri Moisevitch
Oleg Rudnik
Dr. Vasili Orlov
Natasha Shneider
Irina Yakunina
Vladimir Skomarovsky
Yuri Svetlanov
Victor Steinbach
Nikolaj Ternovsky
Candice Bergen
SAL 9000 (voice)
Gene McGarr
Commercial Announcer
Herta Ware
Jessie Bowman
Jan Tříska
Alexander Kovalev
Larry Carroll
Anchorman on TV
Cheryl Carter
Nurse
Ron Recasner
Hospital Neurosurgeon
Robert Lesser
Dr. Hirsch
Delana Michaels
Commercial Announcer
Arthur C. Clarke
Man on Park Bench (uncredited)