Overnight success can be either a blessing or a curse as actress Cathy Moriarty could easily attest. While still in her teens, she landed the star-making role of Vicki La Motta, wife of the prizefighting champ in Martin Scorsese's classic "Raging Bull" (1980). The tall, blonde, husky-voiced Bronx native earned a richly deserved Best Supporting Actress Oscar nomination and seemed poised for a promising career. But a bad marriage and a car accident derailed her career almost immediately. Moriarty followed "Raging Bull" with a fine turn in the black comedy "Neighbors" (1981) but then was
