Question: What Hong Kong actor pops up as a major supporting role in To Catch the Uncatchable?

Context articles: To Catch the Uncatchable
Michael Tong
Youth in Hong Kong
Trouble Maker (film)
Alex Fong (singer)
Sport in Hong Kong
Ng Man-tat
Nick Cheung
Marco Ngai
Steven Ma

To Catch the Uncatchable (棟篤神探) is a 25-episode TV drama series produced by TVB of Hong Kong, which stars Dayo Wong as the genius (albeit physically weak and with asthma) CID Mok Tsok Tung (莫作棟) and Ada Choi as Vivi Lee Wai Wai (李慧慧), an insurance agent, with Marco Ngai and Michael Tong as major background characters.
Michael Tong Man-lung (Chinese: 唐文龍 (唐文龙); Cantonese Romanization: Tong Man Lung (Tang Wen Long); born 17 November 1969) is a Hong Kong actor.
Youth in Hong Kong, according to the University of Hong Kong Statistical Profile, includes citizens of the Chinese territory of Hong Kong aged 15–24 years.
 As of 2011, youth in Hong Kong ages 15–24 made up 12.4% of Hong Kong's overall population at 875,200 people.
 Hong Kong is a hybrid culture, influenced by China and Britain, but overall by its international economic ties, which plays a role in shaping the lives of the youth in Hong Kong.
 The youth in Hong Kong are unique in the fact that many are living Transnationalist identities.
 The demographics are not just ethnically Chinese youth in Hong Kong, but also youth that are ethnically White, Indonesian, Filipino, which can be seen in Demographics of Hong Kong, and that creates a unique society.
 "Although with a dominant Chinese population, Hong Kong is an international city and is a mix of East and West rich in cultures, history, and religions."
 The disparity between the rich and poor within Hong Kong has been growing wider.
Trouble Maker () is a 1995 joint Taiwan and Hong Kong romance comedy film directed by Taiwanese director Kevin Chu and produced by Hong Kong director Wong Jing.
 Starring Taiwanese actor singer Takeshi Kaneshiro, Hong Kong actor Ng Man-tat, Hong Kong actress Athena Chu and Taiwanese child actor Steven Hao Shao Wen.
 The Hong Kong Chinese title 蠟筆小小生 translates as "Crayon Siao Siao San" which is derived from the popular Japanese manga "Crayon Shin-chan" about a mischievous little boy.
 The movie was first released in Taiwan under the title "Fart King 臭屁王".
 The movie was renamed and dubbed in Cantonese for all the Taiwanese actors to cater to the Hong Kong audiences.
 Hong Kong actors Ng Man-tat, Athena Chu and Gabriel Wong Yat-San (known by his nickname "Small Turtle") filmed their lines in Cantonese which was dubbed over by an actor for the Mandarin version.
 The movie was released in Taiwan on 25 March 1995 and then a week later on 1 April 1995 in Hong Kong.
Alex Fong (方力申, Fong Lik-Sun; born 26 February 1980) is a Hong Kong actor, singer and swimmer.
 He was nicknamed "Little Flying Fish" for his swimming achievements.
 As of 2016, Fong still holds several Hong Kong swimming records (and some youth-grade records).
 He first represented Hong Kong at the age of 11.
 Fong has also represented Hong Kong at the Sydney Olympics in 2000.
 He holds a degree in Business Administration from the University of Hong Kong.
 Fong caught the attention of record executives with his popularity amongst teenage girls and became a singer in 2001.
Sports in Hong Kong are a significant part of its culture.
 Due to British influence going as far back as the late 19th century, Hong Kong had an earlier introduction to Western athletics compared to other Asia regions.
 Horse racing has most spectators, while football, basketball, swimming, badminton, table tennis, cycling and running have the most participants.
 Golf is an increasingly popular sport, despite the relatively few number of courses in the city.
 In 2009, Hong Kong successfully organised the V East Asian Games and it was the biggest sporting event ever held in the territory.
 Other major international sporting events including the Equestrian at the 2008 Summer Olympics, the Hong Kong Open Golf Championship, the Hong Kong Sevens, Hong Kong Marathon, AFC Asian Cup, EAFF East Asian Cup, Hong Kong Badminton Open, Hong Kong Tennis Classic, Premier League Asia Trophy, and Lunar New Year Cup.
 Hong Kong athletes have improved in worldwide rankings.
 As of 2010, there are 32 Hong Kong athletes from seven sports ranking in world's Top 20, 29 athletes in six sports in Asia top 10 ranking.
 Moreover, Hong Kong is equally impressive performance of athletes with disabilities in 2009, having won four world championships and two Asian Champions.
Ng Man-tat (born January 2, 1952) is a Hong Kong actor originally from Fujian, China.
 He is a veteran actor in the Hong Kong film industry, with dozens of awards, including Best Supporting Actor at the 10th Hong Kong Film Awards for his role in "A Moment of Romance".
Nick Cheung Ka-fai (; born 2 December 1964) is a Hong Kong actor.
 He is a former Royal Hong Kong Police officer for four years, but he left the job after his request to be transferred to the criminal investigation department was turned down.
 He then worked for Danny Lee's film production company.
 His film debut is ""Thank you, Sir!""
, as a student at the Royal Hong Kong Cadet School.
 From 1989 to 1994, he worked at the television station ATV World.
 Later, he left ATV and joined another station, TVB.
 He left TVB in 2004, and worked mainly on films.
 His fame was built on Wong Jing's comedy at first, but he has changed his acting style for more sombre roles since 2003.
 He was nominated for his first Hong Kong film award in 1999, and won his first award in 2009 for his role in "Beast Stalker".
 He has been nominated many times at the Hong Kong Film Awards and other Chinese film awards since then.
Marco Ngai Chun Kit (Traditional Chinese: 魏駿傑) is a successful actor in Hong Kong and has been in many TV series such as "Flying Fox of Snowy Mountain 1997(or 98)" (he plays Chan ga lok and Fok hung on(twins)), "To Catch the Uncatchable" (2004) (he plays Romeo Lo Mat Au) and one of the favourites, Armed Reaction 1,2,3,4 (he plays Chan Sam Yuen's husband).
Steven Ma Chun-wai (born 26 October 1971) is a Hong Kong actor and singer.
 In 1993, Ma won a record deal after winning first place at an annual singing contest in Hong Kong, later releasing his debut album, "Lucky for Meeting You" (幸運就是遇到你), that December.
 Not long after his singing debut, Ma joined TVB and began filming television dramas, later achieving fame through his supporting role in 1995's legal drama "File of Justice IV".
 Many of Ma's television works are critically acclaimed and are popular successes in Hong Kong, Mainland China, and Southeast Asia, notably "Healing Hands" (1998), "Return of the Cuckoo" (2000), and "Where the Legend Begins" (2002).
 Ma currently holds the record for holding the most "Favourite Character" awards with a total of four recognitions.
 Ma's best known for his portrayals of historical characters in many period television dramas.