Domestic Box Office For October 1984
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | The Terminator | $38,371,200 | 1,112 | $4,020,663 | 10.5% | 1,005 | Oct 26 | - | Orion Pictures |
| 2 | Teachers | $27,774,237 | 1,721 | $7,013,366 | 25.3% | 1,721 | Oct 5 | - | Metro-Goldwyn-Mayer (MGM) |
| 3 | Thief of Hearts | $10,435,015 | 1,200 | $3,091,670 | 29.6% | 1,200 | Oct 19 | - | Paramount Pictures |
| 4 | Terror in the Aisles | $10,004,817 | 1,134 | $4,009,866 | 40.1% | 1,127 | Oct 26 | - | Universal Pictures |
| 5 | Body Double | $8,801,940 | 1,428 | $2,837,978 | 32.2% | 1,428 | Oct 26 | - | Columbia Pictures |
| 6 | The Little Drummer Girl | $7,828,841 | 820 | $2,632,719 | 33.6% | 820 | Oct 19 | - | Warner Bros. |
| 7 | The Razor's Edge | $6,551,987 | 1,036 | $2,411,311 | 36.8% | 1,036 | Oct 19 | - | Columbia Pictures |
| 8 | Firstborn | $6,250,994 | 929 | $1,606,214 | 25.7% | 800 | Oct 26 | - | Paramount Pictures |
| 9 | American Dreamer | $5,021,751 | 801 | $1,580,990 | 31.5% | 801 | Oct 26 | - | Warner Bros. |
| 10 | Stop Making Sense | $4,949,438 | 41 | $41,666 | 0.8% | 7 | Oct 19 | - | Cinecom Pictures |
| 11 | Crimes of Passion | $2,912,945 | 325 | $1,103,210 | 37.9% | 325 | Oct 19 | - | New World Pictures |
| 12 | Stranger Than Paradise | $2,436,000 | - | - | - | - | Oct 1 | - | The Samuel Goldwyn Company |
| 13 | Garbo Talks | $1,493,782 | 16 | $127,192 | 8.5% | 16 | Oct 12 | - | Metro-Goldwyn-Mayer (MGM) |
| 14 | Comfort and Joy | $1,057,368 | - | - | - | - | Oct 10 | - | Universal Pictures |
| 15 | Songwriter | $865,915 | 499 | $497,406 | 57.4% | 499 | Oct 12 | - | TriStar Pictures |
| 16 | Eureka | $123,572 | - | - | - | - | Oct 5 | - | United Artists |
