Madmen Of Mandoras (1963)

aka's: Amazing Mr. H/The Return Of Mr. H

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 1960's these men believed the time had come, so they kidnap a top scientist in order to force him to help keep the brain alive. Several intelligence agencies find out about the plot and send agents to stop it.

After a brief theatrical release in 1963 the film was sold to television. Additional sequences were reportedly shot by a group of film students. The recut film was titled: They Saved Hitler's Brain (also available here at Rare Movie Collector).