Um Tae-goo (Korean: 엄태구; born November 9, 1983) is a South Korean actor known for his supporting roles in critically acclaimed films such as Coin Locker Girl (2015) and The Age of Shadows (2016). He rose to prominence for his roles in the film Night in Paradise (2020) and the romantic comedy drama My Sweet Mobster (2024). Um has frequently collaborated with his older brother, film director Um Tae-hwa. He made appearances as an actor on several of his brother's films, including Heart Vibrator, The Forest, Sookja, Ingtoogi: The Battle Internet Trolls, Vanishing Time: A Boy Who Returned, and Concrete Utopia. (Via Wikipedia)