Here is my new list. I moved things around quite a bit, and have 8 new additions this year.
1. To Kill a Mockingbird (Robert Mulligan, 1962)
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2. Rear Window (Alfred Hitchcock, 1954)
3. It’s a Wonderful Life (Frank Capra, 1946)
4. Casablanca (Michael Curtiz, 1942)
5. The Godfather (Francis Ford Coppola, 1972)
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6. Jaws (Steven Spielberg, 1975)
7. Double Indemnity (Billy Wilder, 1944)
8. The Big Lebowski (Coen Bros., 1998)
9. In a Lonely Place (Nicholas Ray, 1950)
10. Singin’ in the Rain (Stanley Donen, 1952)
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11. Sunset Boulevard (Billy Wilder, 1950)
12. Night of the Hunter (Charles Laughton, 1955)
13. 12 Angry Men (Sidney Lumet, 1957)
14. Raiders of the Lost Ark (Steven Spielberg, 1981)
15. Sunrise (F.W. Murnau, 1927)
16. The Good, the Bad, and the Ugly (Sergio Leone, 1966)
17. Breakfast at Tiffany’s (Blake Edwards, 1961)
18. Butch Cassidy and the Sundance Kid (George Roy Hill, 1969)
19. The Apartment (Billy Wilder, 1960)
20. Vertigo (Alfred Hitchcock, 1958)
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21. The Third Man (Carol Reed, 1949)
22. Citizen Kane (Orson Welles, 1941)
23. Notorious (Alfred Hitchcock, 1946)
24. Roman Holiday (William Wyler, 1953)
25. Eternal Sunshine of the Spotless Mind (Michel Gondry, 2004)
26. Once Upon the Time in the West (Sergio Leone, 1968)
27. Taxi Driver (Martin Scorsese, 1976)
28. Cool Hand Luke (Stuart Rosenberg, 1967)
29. A Streetcar Named Desire (Elia Kazan, 1951)
30. The Sound of Music (Robert Wise, 1965)
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31. Unforgiven (Clint Eastwood, 1992)
32. Modern Times (Charles Chaplin, 1936)
33. L.A. Confidential (Curtis Hanson, 1997)
34. Hud (Martin Ritt, 1963)
35. Dr. Strangelove (Stanley Kubrick, 1964)
36. The Empire Strikes Back (Irvin Kershner, 1980)
37. Seven Samurai (Akira Kurosawa, 1954)
38. Ace in the Hole (Billy Wilder, 1951)
39. The Wizard of Oz (Victor Fleming, 1939)
40. The Conversation (Francis Ford Coppola, 1974)
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41. High Fidelity (Steven Frears, 2000)
42. Fargo (Coen Bros., 1996)
43. The Last Detail (Hal Ashby, 1973)
44. North by Northwest (Alfred Hitchcock, 1959)
45. M (Fritz Lang, 1931)
46. Chinatown (Roman Polanski, 1974)
47. Aliens (James Cameron, 1986)
48. Jurassic Park (Steven Spielberg, 1993)
49. The Terminator (James Cameron, 1984)
50. Harold and Maude (Hal Ashby, 1971)
51. Some Like it Hot (Billy Wilder, 1959)
52. The Lives of Others (Florian Henckel von Donnersmarck, 2006)
53. Blood Simple (Coen Bros., 1984)
54. Children of Men (Alfonso Cuarón, 2006)
55. The 400 Blows (François Truffaut, 1959)
56. The Outlaw Josey Wales (Clint Eastwood, 1976)
57. The French Connection (William Friedkin, 1971)
58. The Awful Truth (Leo McCarey, 1937)
59. Only Angels Have Wings (Howard Hawks, 1939)
60. The Royal Tenenbaums (Wes Anderson, 2001)
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61. Shadow of a Doubt (Alfred Hitchcock, 1943)
62. The Princess Bride (Rob Reiner, 1998)
63. To Have and Have Not (Howard Hawks, 1944)
64. Solaris (Andrei Tarkovsky, 1972)
65. 2001: A Space Odyssey (Stanley Kubrick, 1968)
66. Seventh Seal (Ingmar Bergman, 1957)
67. Young Frankenstein (Mel Brooks, 1974)
68. Almost Famous (Cameron Crowe, 2000)
69. No Country for Old Men (Coen Bros., 2007)
70. The Last of the Mohicans (Michael Mann, 1992)
71. The African Queen (John Huston, 1951)
72. E. T. (Steven Spielberg, 1982)
73. Pulp Fiction (Quentin Tarantino, 1994)
74. Sense and Sensibility (Ang Lee, 1995)
75. Close Encounters of the Third Kind (Steven Spielberg, 1977)
76. Back to the Future (Robert Zemeckis, 1985)
77. The Sting (George Roy Hill, 1973)
78. The Loneliness of the Long Distance Runner (Tony Richardson, 1962)
79. Brazil (Terry Gilliam, 1975)
80. Badlands (Terrence Malick, 1973)
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81. The Shop Around the Corner (Ernst Lubitsch, 1940)
82. One Flew Over the Cuckoo’s Nest (Milos Forman, 1975)
83. The Passion of Joan of Arc (Carl Theodor Dreyer, 1928)
84. The Silence of the Lambs (Jonathon Demme, 1991)
85. A Christmas Story (Bob Clark, 1983)
86. Beauty and the Beast (Gary Trousdale, 1991)
87. The Lady Eve (Preston Sturgess, 1941)
88. The Mortal Storm (Frank Borzage, 1940)
89. Dazed and Confused (Richard Linklater, 1993)
90. Shakespeare in Love (John Madden, 1998)
91. Die Hard (John McTiernan, 1988)
92. The Searchers (John Ford, 1956)
93. Arsenic and Old Lace (Frank Capra, 1944)
94. Strangers on a Train (Alfred Hitchcock, 1951)
95. Now, Voyager (Irving Rapper, 1942)
96. Mary Poppins (Robert Stevenson, 1964)
97. O Brother Where Art Thou? (Coen Bros., 2000)
98. Before Sunset (Richard Linkater, 2004)
99. Volver (Pedro Almodóvar, 2006)
100. Four Weddings and a Funeral (Mike Newell, 1994)