Here are a few more:
The Birds (1963), 119 minutes, D: Alfred Hitchcock
Charade (1963), 113 minutes, D: Stanley Donen
Cleopatra (1963), 243 minutes, D: Joseph L. Mankiewicz
From Russia With Love (1963), 110 minutes, D: Terence Young
The Great Escape (1963), 169 minutes, D: John Sturges
The Haunting (1963), 112 minutes, D: Robert Wise
How the West Was Won (1963), 165 minutes, D: John Ford, Henry Hathaway, George Marshall
It's a Mad, Mad, Mad, Mad World (1963), 192 minutes, D: Stanley Kramer
Lilies of the Field (1963), 94 minutes, D: Ralph Nelson
Tom Jones (1963), 129 minutes, D: Tony Richardson
and...
my favorite!!!
Il Gattopardo (The Leopard) by Lucino Visconti!!