http://www.imdb.com/title/tt0059297/?ref_=fn_al_tt_1

I Saw What You Did (1965) 1h 22min | Horror, Thriller | 21 July 1965 (USA)

Teenagers Libby and Kit innocently spend an evening doing random crank calls. These calls lead to murderous consequences. Director: William Castle Writers: William P. McGivern (screenplay) (as William McGivern), Ursula Curtiss (novel)

Stars: Joan Crawford, John Ireland, Leif Erickson, etc.

It's an old black & white movie. Enjoy! Please remember to seed if you can! Thanx