UK Box Office 18th August, 1978
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Midnight Express (1978) | £197,718 | £276,805 | £711,784 | -55% | 2 |
| 2 (2) |  | Revenge of the Pink Panther (1978) | £32,037 | £41,648 | £1,938,234 | -47% | 6 |
| 3 (3) |  | The Wild Geese (1978) | £17,734 | £23,054 | £1,639,797 | -44% | 7 |
| 4 (4) |  | Game of Death (1978) | £7,762 | £11,255 | £2,382,895 | -44% | 9 |