Lim Kay Siu (born 28 February 1960) is a Singaporean character actor who has appeared in several Asian films, television series, and theatrical productions since the 1980s.

The film is set in Hong Kong where he starred alongside Pierce Brosnan and Alexandra Paul.

He appeared in various episodes of the Singapore sitcom Phua Chu Kang Pte Ltd as the title character's main rival, Frankie Foo, between 1997 and 2006.

[1] His older brother, Lim Kay Tong,[2] is also an actor and well-known television personality in Singapore.

Lim first met his wife, Neo Swee Lin, on her debut theatre performance, Dragon's Teeth Gate, in 1986.