Underrated films: a list

This is my list of favourite underrated films. 
To explain, I don’t mention films such as Cries and Whispers—generally speaking, most people haven’t watched it, but it’s regarded as one of the peaks of Ingmar Bergman’s oeuvre and recognised as among the greatest films ever made. 
By underrated films, I’m thinking of the films that are overlooked—the films that people don’t often include in the list of best films or films you should watch, and the films that people forget when talking about an important director. 

The list (strong favourites in bold): 
Letter from an Unknown Woman (1948), dir. Max Ophuls 
In a Lonely Place (1950), dir. Nicholas Ray 
Gion Bayashi/ A Geisha (1953), dir. Kenji Mizoguchi 
Street of Shame (1956), dir. Kenji Mizoguchi 
The Killing (1956), dir. Stanley Kubrick 
Nights of Cabiria (1957), dir. Federico Fellini 
The Bad Sleep Well (1960), dir. Akira Kurosawa 
The Innocents (1961), dir. Jack Clayton 
My Fair Lady (1964), dir. George Cukor 
The Private Life of Sherlock Holmes (1970), dir. Billy Wilder 
The Last Detail (1973), dir. Hal Ashby 
The Phantom of Liberty (1974), dir. Luis Bunuel 
Alice Doesn't Live Here Anymore (1974), dir. Martin Scorsese 
3 Women (1977), dir. Robert Altman 
On Golden Pond (1981), dir. Mark Rydell 
My Left Foot (1989), dir. Jim Sheridan 
Bound (1996), dir. The Wachowskis 
Happy Together (1997), dir. Wong Kar-wai 
Happiness (1998), dir. Todd Solondz 
Memento (2000), dir. Christopher Nolan 
Sideways (2004), dir. Alexander Payne
Fracture (2007), dir. Gregory Hoblit 

This list would expand.