Question: Which actor from the TV comedy "The River," also has two number one hits on the UK Top 40?

Context articles: Anthony Newley
Gary Barlow
Wessel van Diepen
Boyzone
David Essex
Cassper Nyovest discography
Jay Aston
Shaun Scott (actor)
The Don (The View song)
Start of a Romance

Anthony Newley (24 September 1931 – 14 April 1999) was an English actor, singer and songwriter.
 Newley achieved success as a performer in such diverse fields as rock and roll and stage and screen acting.
 As a recording artist he enjoyed a dozen Top 40 entries on the UK Singles Chart between 1959 and 1962, including two number one hits.
 With songwriting partner Leslie Bricusse, Newley penned "Feeling Good", which was popularised by Nina Simone and covered by many other popular artists; as well as the title song of 1964 film "Goldfinger" (along with John Barry).
 Bricusse and Newley received an Academy Award nomination for the film score of "Willy Wonka & the Chocolate Factory" (1971).
Gary Barlow OBE (born 20 January 1971) is an English singer, songwriter and record producer.
 He is frontman and lead vocalist of British pop-group Take That.
 Barlow also served as head judge of "The X Factor UK" from 2011 to 2013 and "Let It Shine" in 2017.
 Barlow is one of Britain's most successful songwriters, having written fourteen number one singles and twenty-four top 10 hits.
 He has had three number one singles, six top 10 singles and two number one albums as a solo artist, and has had seventeen top 5 hits, twelve number one singles and seven number one albums with Take That.
 He is also a six-time recipient of the Ivor Novello Award and has sold over 50 million records worldwide.
Wessel van Diepen (born on November 12, 1966 in Delft, Netherlands) is a Dutch radio host and station-voice for Radio 538, and FOX Television NL, movie trailer voice over and is one of the most successful dance-pop music producers in Dutch history.
 With a total of 10 UK top 10 hits including 2 UK number one hits.
 Two Billboard Dance number one hits.
 A gold album in the USA and multi platinum selling singles world wide.
Boyzone are an Irish boy band.
 Their most famous line-up was composed of Keith Duffy, Stephen Gately, Mikey Graham, Ronan Keating, and Shane Lynch.
 Boyzone have had 21 singles in the top 40 UK charts and 22 singles in the Irish charts.
 The group have had 6 UK number one singles and 9 number one singles in Ireland with 12 of their 24 singles in the UK being in the UK Top 2.
 Boyzone are one of the most successful bands in Ireland and the United Kingdom.
 In total, Boyzone had 19 top 5 singles on the Irish Singles Chart, 18 top 10 hits on the UK Singles Chart, nine No. 1 Irish hit singles and six No. 1 UK hit singles and five No. 1 albums, with 25 million records sold by 2013 worldwide.
David Essex, OBE (born David Albert Cook; 23 July 1947) is an English musician, singer-songwriter, and actor.
 Since the 1970s, he has attained 19 Top 40 singles in the UK (including two number ones) and 16 Top 40 albums.
 He has also had an extensive career as an actor.
South African recording artist Cassper Nyovest has released two studio albums, seventy-seven singles and ten music videos. Nyovest has sold over half a million albums , and his music has been released on record labels Universal Music South Africa and Family Tree Records.
 Nyovest has the most number one hits on the 5FM Top 40 Chart as a rap artist , he has the most number one hits on the Entertainment Monitoring Africa.
Jay Hilda Aston (born 4 May 1961 in Purley, Surrey) is an English singer and occasional songwriter.
 She was a member of the British pop group Bucks Fizz, from 1981–1985.
 She was the youngest member of the group's original line-up, being just 19 when they won the 1981 Eurovision Song Contest.
 While Aston was a member, the group had 12 of their 13 UK top 40 hit singles, including three number one hits.
 Since 2009, she has performed alongside fellow original Bucks Fizz members Cheryl Baker and Mike Nolan.
 The group used to perform under the name The Original Bucks Fizz but are now known as The Fizz.
Shaun Scott (born 1954) is a British television actor, who appeared in the popular long-running series of "The Bill" where he played DI Chris Deakin.
 He also appeared as deputy lock keeper Tom Pike in the 1989 BBC TV comedy "The River" with David Essex.
 He also played Harchester United manager Patrick Doyle in Sky One's football drama "Dream Team" and appeared as a villainous regular in the Scottish Gaelic soap opera "Machair".
 He also played Jack Fairchild in the comedy series "Brass".
 He also appeared as a fresh-faced lad of 19 taken in by the Bourne family as handy man after being bound over for stealing a bicycle in the ATV daytime drama "The Cedar Tree" 1976/77.
"The Don" is the fourth single by Dundee band The View, it was released on 23 April 2007 as a double A-side along with "Skag Trendy".
 It follows the singles "Wasted Little DJs", "Superstar Tradesman" and "Same Jeans", and is taken from the debut album "Hats Off to the Buskers".
 The single did not do as well as its predecessors, only entering as far as the UK Top 40, reaching a disappointing #33 in the UK Singles Chart.
 However, this was to be their final UK Top 40 single so far as their next four singles were to miss the UK Top 40 altogether.
"Start of a Romance" is a 1989 single by Skyy and the title track of their 1989 album.
 The single was their first to place on the Hot Black Singles chart in almost two years.
 "Start of a Romance" peaked at number one on the Black Singles for two weeks, their first number one since 1982.
 Although the single did not chart on the Hot 100, it peaked at number forty-one on the dance charts.
 It was the first of two number one hits from the "Start of a Romance" album.