The Lost Tribe (1949) is the second Jungle Jim film produced by Columbia Pictures. The film features Johnny Weissmuller in his second performance as the adventurer Jungle Jim, co-starring Myrna Dell and Elena Verdugo, along with Joseph Vitale and George J. Lewis as the film's antagonists. It was directed by William Berke and written by Don Martin and Arthur Hoerl.The film follows Jungle Jim struggling to protect a legendary African city from harm and exploitation. Filming took place in September 1948. The film was theatrically released in the United States in May 1949.