Actress-singer Joan O’Brien, who starred with Cary Grant and Tony Curtis in “Operation Petticoat” and was Elvis Presley’s love interest in “It Happened at the World’s Fair,” has died.

Joan O’Brien, the actress and singer who shared a submarine with Cary Grant in Operation Petticoat and a romantic relationship with Elvis Presley in It Happened at the World’s Fair, has died.

Joan O’Brien, the actress and singer who shared a submarine with Cary Grant in Operation Petticoat and a romantic relationship with Elvis Presley in It Happened at the World’s Fair, has died.