Deadly Duo (1962 film)

Deadly Duo is a 1962 film.

Sabenas twin sister, Dara, wants the money, no matter what. She and her accomplice Jay Flagg scheme to push Sabenas car off a cliff, then collect the halfmillion dollars for themselves. Their plot is foiled, however, and while Leonora sees the error of her ways, Sabena develops a romantic interest in Morgan.

Source: Wikipedia