Kagemusha 1980

The Shadow of a man can never stand up and walk on its own.

Directed by Akira Kurosawa

A feudal epic presenting the tale of a petty thief who is recruited to impersonate Shingen, an aging warlord, in order to avoid attacks by competing clans. The impostor becomes comfortable living his life among nobility, but his responsibilities to his station grow more demanding the longer he occupies it.