Unearthly Stranger is a 1963 British black-and-white 'B' science fiction film directed by John Krish and starring John Neville, Philip Stone, Gabriella Licudi and Patrick Newell. It was written by Rex Carlton based on an idea by Jeffrey Stone. It was released in the UK by Independent Artists; its US release was in April 1964.

John Reginald Neville, CM, OBE was an English theatre and film actor who moved to Canada in 1972. He enjoyed a resurgence of international attention in the 1980s as a result of his starring role in Terry Gilliam's The Adventures of Baron Munchausen (1988).