Ku Feng and Liu Gang have appeared together in 3 films between 1968 and 1971, with a combined box office of HK$1.4 million. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1968 | Golden Swallow | |
| 1970 | The Heroic Ones | |
| 1971 | The Duel | HK$1.4 million |
Ku Feng also often with: Ti Lung (18), Chang Cheh (15), David Chiang (10), Chor Yuen (9), Lo Lieh (9)
Liu Gang also often with: Chang Cheh (4), Wang Kuang-Yu (4), David Chiang (3), David Chiang Da-Wei (3), Ti Lung (3)