Known as "Asia's top striker"[1] Wan was a key player for the Hong Kong national football team in the 1970s and 1980s.
He played for South China and Seiko in the Hong Kong First Division League.
His most famous role was a senior police officer in the Infernal Affairs trilogy.
[3] Wan was diagnosed with nasopharyngeal carcinoma in the early 1990s but the condition improved over the years.
On 16 February 2010, Wan died in Prince of Wales Hospital in Sha Tin.