Director and actor
Ringo Lam averages 6.45, Roy Cheung averages 6.79. Apart that suggests 6.62; together they average 7.15, a lift of +0.53.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
Each column is a film in release order. Filled squares mark who was in it, colored by the film's rating.
| Prison on Fire | 1987 | 7.2 | 3,953 | Director | as Officer 'Scarface' Hung |
| City on Fire | 1987 | 7.1 | 9,245 | Director, Writer, Producer | as Inspector John Chan |
| School on Fire | 1988 | · | 980 | Director, Producer | as Brother Smart |
| Wild Search | 1989 | · | 955 | Producer, Director | as Bullet |
| Prison on Fire II | 1991 | 6.7 | 1,721 | Director | as Officer 'Scarface' Hung (not counted) |
| Simon Yam |
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| Jean-Claude Van Damme |
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| Louis Koo |
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| Tony Ka Fai Leung |
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| Ching-Wan Lau |
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| Danny Lee |
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| Rosamund Kwan |
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| Sylvia Chang |
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