Miu was scouted and brought into
TVB's Acting Academy in September 1979. While still in training, he made
cameo appearances in several major dramas, such as
The Bund (1980). Miu's official acting debut was in the 1980 drama ''
The Adventurer's. Immediately after graduating from the Academy, Miu was offered a major role in the 1981 thriller drama The Lonely Hunter'', starring alongside his classmate
Felix Wong with seniors
Carol Cheng and
Money Chan. From 1981 to 1986, Miu together with
Tony Leung,
Andy Lau,
Felix Wong and
Kent Tong were promoted as TVB's
Five Tigers, a group of five of the most popular young actors in Hong Kong at the time. In 1987, Miu left TVB, and stepped back from the industry to focus on business ventures. During the 90s, Miu devoted himself to his eyewear business and earned a reputation as a businessman. Due to the reasons of Hong Kong's economic downturn and uncertainty over retail industry in the future, he sold his business, The Optical Centre, in 2002 to
Luxottica. His comeback performance was in the 2005 cop drama
The Academy, which earned him major recognition and propelled him forward. Miu starred in the 2014 crime drama
Line Walker as Cheuk Hoi and became a strong contender for Best Actor in 2014 TVB Anniversary Awards. He reprised his role in
Line Walker: The Prelude won Best Actor in a Leading Role award at the TVB Star Awards Malaysia 2017. In 2020, Miu reprised his role as Cheuk Hoi for the third time in the sequel
Line Walker: Bull Fight. Also, in 2017, he was the narrator for the Hong Kong (Cantonese) version of
Planet Earth 2/Heaven and Earth II (
天與地II). In 2020, he made a guest appearance as himself in episode 997 with
Michelle Yim as herself on TVB’s sitcom
Come Home Love: Lo and Behold as the spokesperson and ribbon cutter. ==Personal life==