1963 was the worst year for US film production in fifty years (there were only 121 feature releases). And the largest number of foreign films released in the US in any one year was in 1964 (there were 361 foreign releases in the US vs. 141 US releases).
1.Cleopatra (Fox) $26.000 m2.How the West Was Won (Cinerama/MGM) $20.933 m3.It's a Mad, Mad, Mad, Mad World (UA) $20.850 m4.Tom Jones (UA/Goldwyn) $17.070 m5.Irma La Douce (UA)$11.922 m6.The Sword in the Stone (Disney)* $10.475 m7.Son of Flubber (Disney)$10.450 m8.Dr. No (UA)$6.435 m9.Charade (Univ.)$6.363 m10.Bye Bye Birdie (Colu.) $6.200 m