Ku Feng and Chan Sing have appeared together in 4 films between 1970 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 |
|---|---|---|
| 1970 | The Heroic Ones | |
| 1971 | Duel of Fists | |
| 1971 | The Deadly Duo | |
| 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)
Chan Sing also often with: Chang Cheh (4), David Chiang (4), Ti Lung (4), Bruce Leung (3), Michael Chan Wai-Man (3)