Trivia

The Stardust ship prop now resides in a very old fairground/theme park called Blackgang Chine on the Isle of Wight in the UK. Visitors used to be able to explore the interior, but is now off-limits except to look at from the outside.

Ron Moody would later reprise his role as Merlin in A Kid in King Arthur's Court (1995).

The movie is commonly known in English language speaking territories by three titles: "The Spaceman and King Arthur", "Unidentified Flying Oddball" and "A Spaceman in King Arthur's Court".

One of the few films released under the Disney banner where pornography (i.e. Playboy) is mentioned.

This was Kenneth More's final film before his death on July 12, 1982 at the age of 67.