2001: A Space Odyssey (1968) is a groundbreaking sci-fi film directed by Stanley Kubrick and starring Keir Dullea, Gary Lockwood and Douglas Rain as the voice of HAL 9000. The film explores themes of human evolution, artificial intelligence and space exploration through a visually stunning and philosophical narrative. Known for its iconic imagery, innovative special effects and enduring influence on the genre, this film is widely regarded as a masterpiece of cinema.