In the suspenseful thriller "Don't Hang Up! (1974)," viewers are taken on a chilling journey as a group of friends find themselves targeted by a mysterious caller who turns their harmless prank into a deadly game of cat and mouse. As tension mounts and secrets unravel, the friends must race against time to uncover the identity of the caller before it's too late. Filled with heart-pounding moments and unexpected twists, "Don't Hang Up!" keeps audiences on the edge of their seats from start to finish. With a talented cast and a gripping storyline, this classic thriller delivers thrills, suspense, and surprises that will leave viewers guessing until the very end.