Maria Preston, Iberia stewardess, lives with her friend and companion Elena O'Hara. She finds out that is followed by a mysterious character. He is Charly, an airport employee, U.S. Vietnam veteran, unhinged and with sexual disorders due to the infidelity of his wife.
- Release Date: June 9, 1973
- Runtime: 81 minutes
- Production countries: Spain
- Original Title: El espectro del terror
- Original Language: español (Spanish)
Actors: Maria Perschy, Sancho Gracia, Aramis Ney, Maritza Olivares, Betsabé Ruiz