Wu Ma and Billy Lau Nam-Kwong have appeared together in 6 films between 1984 and 1985, with a combined box office of HK$83.3 million. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1984 | Hong Kong 1941 | HK$7.2 million |
| 1984 | Mr. X | |
| 1985 | Mr. Vampire | HK$20.1 million |
| 1985 | Mr. Vampire II | HK$17.1 million |
| 1985 | Twinkle, Twinkle Lucky Stars | HK$28.9 million |
| 1985 | Yes, Madam | HK$10 million |
Wu Ma also often with: Yuen Biao (18), Sammo Hung (13), Ku Feng (9), Chang Cheh (8), Corey Yuen (8)
Billy Lau Nam-Kwong also often with: Lam Ching-Ying (5), Yuen Biao (5), Ka Lee (4), Sammo Hung (4), Billy Chow Bei-Lei (3)