Pat Delaney

Title alien, resembling a bat, arrives to take over with _Invasion of the Body Snatchers_-like methods; a scientist comes to the rescue. (Leonard Maltin's Movie Guide)

A hypnotist is able to predict murders by a terrifying sea monster. In reality, he causes the murders through his lovely assistant, who is the reincarnation of the monster. (imdb)

Rodney C. Duckworth is a shy teenage boy living in the mid-1950s. When Rodney's friends Recil and T.J. try to fix him up with a date, their self-interests get in the way, and they wind up going out with the girls they had in mind for Rodney. (TCM)

Alexander Cross is a ruthless, unscrupulous individual, devoid of conscience or ethics. He is involved in activities that are not exactly legal. He is a notorious womanizer, who doesn't care if they are married, and usually uses them for one thing or another. When this habit of his catches the ire of one of his associates, he is killed. However, a group of people who have been burned by Cross, have kept his death a secret and have found a man named Jim who's the spitting image of him.