Lim Gan (林根), better known in Hong Kong by his stagename Sai Gwa-Pau (西瓜刨) (7 October 1918 – 12 March 2001), was a Hong Kong film actor who played roles in over 600 movies from the 1950s onwards.
His stagename "Watermelon Slice" referred to his prominent protruding upper teeth.
Sai Gwa-pau was well known for his comic roles and in particular his role (牙擦蘇) in the film series based on the exploits of Wong Fei-hung.
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