A is for [The] African Queen (1951)
B is for Brief Encounter (1945)
C is for Casablanca (1942)
D is for Dial M for Murder (1954)
E is for East of Eden (1955)
F is for From Here to Eternity (1953)
G is for Guess Who's Coming to Dinner (1967)
H is for High Sierra (1941)
I is for It's a Wonderful Life (1946)
J is for Johnny Belinda (1948)
K is for [The] Killers (1946)
L is for [The] Lost Weekend (1945)
M is for Mary Poppins (1964)
N is for Notorious (1946)
O is for On the Waterfront (1954)
P is for [A] Place In the Sun (1951)
Q is for [The] Quiet Man (1952)
R is for Roman Holiday (1953)
S is for Sunset Boulevard (1950)
T is for To Have and Have Not (1944)
U is for Under Capricorn (1949).
*I actually hate this one, but there wasn't much to choose from
V is for Vertigo (1958)
W is for [The] Wizard of Oz (1939)
Y is for You Can't Take It With You (1938)