- HD 1080
- Runtime: 95m.
- Status: Released
1
- Languages: en
- Country: United States of America
- Director: Robert Hammer
- Stars: James Westmoreland, Ben Frank, Flo Lawrence, Nicholas Worth, Denise Galik
- keywords: prostitute, rape, photographer, sadism, psychopath, grindhouse, psychologist, serial killer, slasher, los angeles, california, sadist, maniac, stabbing, strangler, phone, psycho killer
- Production_studio: Scorpion, Crown International Pictures
- Slogan: ...He'll Know You're Alone!
- The Don't Answer the Phone! is featured in the top rankings of 1980
- #65 in Top Thriller Movies of 1980
- #72 in Top Horror Movies of 1980
A Vietnam veteran that spends his days photographing pretty girls, and his nights strangling them, sets sights on the patients of a radio psychiatrist.