Gungala, the Black Panther Girl (1968)

An insurance company, run by a wealthy English family, assigns a group of adventurers to track down a young heiress whose plane crashed in the jungle a few years earlier. Left for dead, the orphan has grown into Gungala, the beautiful white queen of a native tribe of warriors, growing up alongside her faithful black panther. But now, a cruel Arab is determined to steal the sacred diamond necklace Gungala wears around her neck, and his vicious followers will stop at nothing to get their hands on the precious jewel. Can the white invaders trap Gungala, the majestic naked panther?