Wu Ma and Billy Lau have appeared together in 4 films between 1984 and 1989, with a combined box office of $45.5 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 |
| 1985 | Yes, Madam | HK$10 million |
| 1988 | Police Story 2 | $11.5 million |
| 1989 | Miracles | $34 million |
Wu Ma also often with: Yuen Biao (18), Sammo Hung (13), Ku Feng (9), Chang Cheh (8), Corey Yuen (8)
Billy Lau also often with: Dennis Chan (3), Jackie Chan (3), Ken Lo (3), Wellson Chin (3), Anthony Chan Yau (2)