Ng Sai-Mei (吳茜薇) is a retired Hong Kong actress. In 1985, she joined the TVB trainee program, and subsequently acted City Japes (城市故事). In 1988, she joined ATV. In 1991, she moved to Taiwan and starred in 刺馬 under the pseudonym 吳沛穎. She retired from acting in 1992 after marrying director Dennis Chiu Jan-Keung (招振強). She raised their four children alone, and the extranged couple divorced in 2014.

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