Tarzan and the Great River 1967

Synopsis:

Tarzan is summoned to Brazil by an old friend to stop an evil tribal cult from destroying native villages and enslaving the survivors. The Lord of the Jungle is accompanied on his quest by a pretty blonde doctor, a boy and a grizzled sea captain.

Directed by: Robert Day
Written by: Bob Barbash & Lewis Reed
Runtime: 88 minutes
Tagline: America's Hero
Related titles:
Cast:
Mike Henry
Mike Henry
Tarzan 
Jan Murray
Jan Murray
Sam Bishop 
Diana Millay
Diana Millay
Ann Philips 
Paulo Gracindo
Paulo Gracindo
Professor 
Rafer Johnson
Rafer Johnson
Barcuma