- Country: USA
- Genres: Thriller
- Release: 1970-09-22
- Director: Curtis Harrington
- Writers: Henry Farrell
- Language: English
- Stars: Anthony Perkins , Julie Harris , Joan Hackett , Kent Smith , Robert H. Harris , Molly Dodd , Billy Bowles , Trent Dolan , Bill Erwin , Jeannette Howe
- Runtime: 73 min
- Awards: N/A
- AKA: Senderos de oscuridad (Spain) , Che succede al povero Allan? (Italy) , Vengeance en différé (Canada) , Osynligt hot (Sweden) , Psyco 2 (Italy) , サイコXX (Japan) , How Awful About Allan , Psithyroi enohis (Greece) , Как ужасно, что это случилось с Аланом , Qué terrible lo de Allan (Panama) , Pobre Allen (Portugal, Portuguese Republic) , El Horror cerca de Allan (Chile) , Ψίθυροι ενοχής (Greece) , How Awful About Allan (United States of America) , Psycho 2 (Italy) , Vengeance en différé (France, French Republic) , La horrible historia de Allan (Spain) , La noche del juglar (Spain)
- Plot: After a fire which killed his father and scarred his sister, a guilt-ridden victim of psychosomatic blindness is released from a mental hospital and goes back home to stay with his estranged sister. However, it appears that someone is out for revenge and wants to drive him crazy.
- IMDB:tt0065858
How Awful About Allan Cast · · · ALL
Curtis Harrington
Director
Anthony Perkins
Allan
Julie Harris
Katherine
Joan Hackett
Olive
Kent Smith
Raymond
Robert H. Harris
Dr. Ellins
Molly Dodd
Inmate
Billy Bowles
Harold Dennis
Bill Erwin
Dr. Ames
Trent Dolan
Eric