Zeno Koo

Koo was born on 19 September 1994.^[1] His mother died in an accident when he was young, and his father later remarried, orphaning Koo.^[2] He was raised solely by his grandmother,^[3] and Koo described his childhood as "rebellious" due to his father's actions.^[2][4] Koo studied at Yan Chai Hospital Law Chan Chor Si College [zh],^[5] and while in secondary school, he signed with a modeling agency, First Cast, and had appeared on the cover of Yes! Magazine.^[3][6] After graduation, Koo was recommended by his class teacher to enroll in a two-year acting program at the Hong Kong Academy for Performing Arts.^[7][8]

Koo made his acting debut in 2014 with the drama film Enthralled [zh-yue], at the age of 19.^[9] He went on to star in several RTHK television series, including Sexpedia.^[10] In 2017, he landed his first lead role as a school murder accomplice in the drama film Somewhere Beyond the Mist,^[11][12] and also appeared in the romance film Tracey as a transgender woman in the following year.^[13] However, he did not receive any acting roles for the subsequent three years, during which time he worked as a construction worker, customer service representative, and chef to make a living.^[7][9]

In 2020, Koo experienced a breakthrough, landing main roles as Ben Chu in the TVB romance series Life After Death and King Cheung in the ViuTV sports series We are the Littles [zh].^[14][15] While filming the latter, he was invited by his co-stars Leung Yip, Denis Kwok, and Jeremy Lee to join ViuTV's variety show King Maker III,^[9] where he proceeded to the round of 20 before being eliminated.^[16][17] Koo also appeared in the anthology film Memories to Choke On, Drinks to Wash Them Down [zh],^[18] the drama film I'm Livin' It,^[19] and the horror comedy film Hell Bank Presents: Running Ghost [zh] that same year.^[20] The following year, Koo starred in the black comedy film Time.^[21] In 2022, he released his first single "Nessie",^[13][22] and went on to appear in the action thriller film Cyber Heist and the horror film Social Distancing [zh] in the following year.^[23][24] In 2024, Koo released his first EP, ZKOOL.^[25][26]