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 ...

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. She was ...

She was 89. O’Brien was perhaps best known for her work in the Blake Edwards submarine comedy Operation Petticoat, in which she starred opposite Cary Grant and Tony Curtis. She also played the love ...