Bomba in "African Treasure" - Starring Johnny Sheffield, Formally Tarzan's Son "Boy" « Movie from 1952

Bomba The Jungle Boy (Johnny Sheffield) and his animal friends catch a couple of diamond smugglers at the dormant volcano known as the Mountain of Diamonds...Action galore in this jungle thriller as Bomba narrowly avoids being buried alive trying to save his friends.

Plenty of underwater action as well! If you like Bomba, and who doesn't? ...You will love this Film.