Chow Feng was a non-canonical character who was created for the film adaptation of The Lost Mine in Series 3 of ITV's Agatha Christie's Poirot. He was the owner of the "Red Dragon Club" in Chinatown, a gambling hall with a secret opium den in the basement. Japp raided the club and discovered Reginald Dyer and Charles Lester in the opium den.
Chow Feng was played by Hi Ching. This character does not occur in the the original story.