https://en.wikipedia.org/wiki/The_Boys_from_Brazil_(film)
Dr. Josef Mengele (Gregory Peck) clones Hitler 95 times, and hopes to raise the resulting boys in Brazil, giving them childhoods identical to Hitler’s. His ultimate plan is to create a band of Nazi leaders that can continue where Hitler left off, forming the Fourth Reich.
Oh Man, I had forgotten about that one! Cue the creepy music!