Lily Li as Sang Kung's Daughter Hwang In-Shik as Master Kam Fan Mei - Sheng as Bull Yue Tau-ean as Cross Eye Bruce Tang Yim-chan as Ah Chang Production Chan nearly suffocated when he injured his throat. Music The theme song played over the closing credits, Kung Fu Fighting Man was the first song recorded and performed by Jackie Chan. He has since gone on to release many records, and has performed the theme songs on many of his films. Versions There are two main versions of the film; a 106-minute Hong Kong cut, and a 90-minute international cut. The original version of the film that Chan handed over to Golden Harvest was reportedly three hours in length. Box office In Hong Kong, the film grossed HK$1,026,283 (). In South Korea, it was the highest-grossing film of 1980, with 436,631 box office admissions in Seoul City, equivalent to an estimated (). In Japan, it was the 21st highest-grossing film of 1981, earning (). In Spain (where it released in 1982), the film sold 288,196 tickets, equivalent to an estimated (). Combined, the film grossed an estimated total of approximately in Asia and Europe. See also Jackie Chan filmography List of Hong Kong films List of martial arts films References External links 1980 films 1980 martial arts films 1980s Cantonese-language films Films directed by Jackie Chan Golden Harvest films Hapkido films Hong Kong martial arts comedy films Karate films Kung fu films 1980s Hong Kong films