Steve Bennett

At the end of World War II, Nazi officials spirited the living head of Adolf Hitler out of Germany to a hiding place in the South American country of Mandoras, in order to revive the Third Reich at a later date. By the 1960s these men believed the time had come, so they kidnap a top scientist in order to force him to help keep Hitler alive. Several intellgence agencies find out about the plot and send agents to stop it. (imdb)

Hitler's Brain is saved by Nazi madmen, and is giving orders on a small tropical island!