Mighty Jungle, The (1964)

Adventurers Marsh Conners (Marshall Thompson) and Dave Reardon (David DaLie) accept different assignments–Dave in Amazonia and Marsh in the Congo. The South American expedition meets disaster as Dave, the sole survivor, barely escapes an anaconda. The Congo expedition proves successful as Marsh joins a tribe of Pygmies on an elephant hunt, braves the Congo River rapids and visits an elephant training school.