Cast

• Keir Dullea — Dr. David Bowman
• Gary Lockwood — Dr. Frank Poole
• William Sylvester — Dr. Heywood Floyd
• Leonard Rossiter — Dr. Andrei Smyslov
• Margaret Tyzack — Elena
• Robert Beatty — Dr. Ralph Halvorsen
• Sean Sullivan — Dr. Roy Michaels
• Ed Bishop — Aries-1B Lunar Shuttle Captain
• Penny Brahms — Stewardess
• Kenneth Kendall — BBC-12 Announcer
• Kevin Scott — Miller