Tsang's film debut was in the movie The Feud (1955), when he was just 16, which was followed by a role in Who Isn't Romantic? (1956).
Film Tsang yang pertama adalah The Feud (1955), ketika ia baru berusia 16 tahun, yang kemudian diikuti dengan perannya dalam film berjudul Who Isn't Romantic? (1956).