Zhang Zetong (born Teoh Ze Tong on 22 January 1993) is a Malaysian actor and host based in Singapore, who pivoted from a tech career at Carousell to win Mediacorp's Star Search 2019 under mentor Christopher Lee. He made his acting debut in 2020 with the lead role in All Around You and quickly earned recognition, winning the Best Newcomer award at Star Awards 2021 for his role in A Jungle Survivor. His career continued to flourish with roles in dramas like Key Witness, You Can Be An Angel 4, and Healing Heroes, before he clinched the Best Supporting Actor award at Star Awards 2024 for his performance in All That Glitters. A National University of Singapore business graduate, Zhang has showcased his versatility across genres, including Last Madame: Sisters of the Night and the 2024 parasports drama Hope Afloat. Most recently, he starred in the 2025 period drama Emerald Hill - The Little Nyonya Story, cementing his status as a rising star in the Singapore entertainment scene.