UK Weekend Box Office
UK Box Office 8th September, 1978
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) | The Silent Partner (1978) | £299,434 | £299,434 | £299,434 | new | 1 | |
| 2 (1) |  | Herbie Goes to Monte Carlo (1978) | £128,889 | £186,889 | £1,250,225 | -60% | 3 |
| 3 (3) | Convoy (1978) | £82,548 | £107,312 | £676,890 | -50% | 3 | |
| 4 (2) | The Legacy (1978) | £78,923 | £106,546 | £295,962 | -58% | 2 | |
| 5 (4) |  | Midnight Express (1978) | £18,569 | £25,997 | £907,721 | -55% | 5 |
| 6 (6) |  | The Wild Geese (1978) | £3,041 | £4,409 | £1,665,168 | -44% | 10 |