screenshots / Tarzan's Desert Mystery / 1943 RKO Radio Pictures

The working title of this film was Tarzan and the Sheik.

Tarzan and Boy travel across the Sahara Desert so as to locate a rare life saving plant-derived serum in a prehistoric jungle.

Johnny Weissmuller returns to the screen for the eighth time as Tarzan in this film directed by William Thiele (Tarzan Triumphs).

This would be the fifth appearance of Johnny Sheffield in the role of Boy.

Actress Nancy Kelly (Connie) may be best remembered for her role as the mother in the 1956 thriller The Bad Seed.

Actor Ben Johnson (Grayeagle, Terror Train) is uncredited as a stunt double on the film.

According to a New York Times article, the Arabian village used in the film was built for the Cecil B. DeMille epic King of Kings (1927).

California filming locations include the Alabama Hills and Olancha Sand Dunes, Lone Pine.