Favourite films about identity, isolation, one person against insuperable odds

The Passion of Joan of Arc (1928)
Vampyr (1932)
Carl Theodor Dreyer

Rear Window (1954)
Alfred Hitchcock Presents: The Case of Mr. Pelham (1955)
Alfred Hitchcock

Repulsion (1965)
Rosemary's Baby (1968)
The Tenant (1976)
Roman Polanski

Blowup (1966)
Michelangelo Antonioni

Duel (1971)
Steven Spielberg

The Shining (1980)
Stanley Kubrick