Hypnotist Dr. Caligari uses a somnambulist, Cesare, to commit murders. This is a classic and a first in it’s genre. Many movies since have used the “Genius / Crazy Guy Controls Someone To Do Crazy Things” gimmick.
The Cabinet of Dr. Caligari - 1920
Phantom - 1922
A shiftless young man becomes obsessed with a mysterious woman and yearns to find her again.
