Other titles: Vengeance en différé | El Horror cerca de Allan | Psithyroi enohis | Ψίθυροι ενοχής | Che succede al povero Allan? | Psycho 2 | Psyco 2 | サイコXX | Qué terrible lo de Allan | Pobre Allen | Как ужасно, что это случилось с Аланом | La horrible historia de Allan | La noche del juglar | Senderos de oscuridad | Osynligt hot
Year Released: 1970
Month released: September
Certification: Motion Picture Rating (MPA)
Directors: Curtis Harrington
Cast: Anthony Perkins, Bill Erwin, Billy Bowles, Charles Briles, Jeannette Howe, Joan Hackett, Julie Harris, Kenneth Lawrence, Kent Smith, Molly Dodd, Robert H. Harris, Trent Dolan
Production Companies: Aaron Spelling Productions
Additional Crew: Paulle Clark
Casting Department: Betty Martin
Certification: Motion Picture Rating (MPA)
Cinematographers: Fleet Southcott
Colorization: Color
Country: United States
Distributors: 3GTG, Alpha Video Distributors, American Broadcasting Company (ABC), BuckRay TV, Flashback Home Entertainment, Internet Archive, La Cinq (La 5), Mill Creek Entertainment, Reel Media International, Synergy Entertainment
Editors: Richard W. Farrell
Languages: English
Makeup Department: Ted Coodley
Script and Continuity Department: Alan Greedy
Set Decorators: Ken Swartz
Special Effects: Joe Lombardi
Visual Effects: John Franco Jr.