Yes this movie is used as a script.
Movies are chosen as scripts due to their ability to be mapped, trigger phrases, symbols, and codes.
Hal-would be an internal programmer.
David Bowman-A protector/gatekeeper
Star Seeds-The mission/deeply programmed parts in the system.
Frank Poole-Ensure alters remain in their area.
Dr. Heywood Floyd-Interacts with the external world. (Earth)
Ralph Halvorson-Oversees the Southern Province of the Moon.
Moon-Watcher-Will oversee alters placed in sections of the system.