Lim Kay Siu (林繼修; 林继修; Lín jì xiū; Lîm Kè-siu, born 28 February 1960) is a Singaporean character actor who has appeared in several Asian films, notably TV films since the 1980s.
His bald head and sinister demeanour in film and TV has made him an ideal villain. He may be more recognisable in western cinema due to his role as the North Korean villain in Night Watch set in Hong Kong where he starred alongside Pierce Brosnan and Alexandra Paul and as Prince Chowfa, King Mongkut's brother (Chow Yun-fat) in Anna and the King.
He appeared in various episodes of the Singapore sitcom Phua Chu Kang Pte Ltd as the title character's main rival, Frankie Foo, between 2002 and 2006.
- Phua Chu Kang The Movie (2010) .... Frankie Foo
- The Blue Mansion (2009) .... Wee Teck Liang
- Kallang Roar the Movie (2008) .... Choo Seng Quee
- Just Follow Law .......Ground Transport Authority Represensative (2007)
- Random Acts (2007) TV Series .... Various Roles
- Phua Chu Kang Pte Ltd .... Frankie Foo (2002 to 2007)
- POV Murder (2005) TV Series .... Mystery Man
- Avatar (2004) .... Julius
- Anna and the King (1999) .... Prince Chowfa, King Mongkut's Brother
- Rogue Trader (1999) (as Lim Kay Siu) .... Policeman
- Wenti bu da (1999)
- Forever Fever (1998) .... Father
- Shier lou (1997) .... Hawker
- Army Daze (1996)
- Night Watch (1995) (TV) (as Lim Kay Siu) .... Mao Yixin
- Singapore Sling (1993) (TV) .... Sammy
- Tenko Reunion (1985) (TV) .... Bandit
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