Au-yeung Tsan-wah is a Hong Kong actor best known for his comedic roles in many TVB television dramas. He gained wide public attention in the 1990s for his portrayal of Ben Yu in the 1991 legal drama File of Justice, appearing in all five seasons. Au-yeung Tsan-wah is a Hong Kong actor best known for his comedic roles in many TVB television dramas. He gained wide public attention in the 1990s for his portrayal of Ben Yu in the 1991 legal drama File of Justice, appearing in all five seasons.