Question: Which Scottish actor sang "Come What May"?

Context articles: Duncan Airlie James
Come What May (2001 song)
Robert Buchanan (actor)
Forbes Masson
Moe Abutoq
Jake D'Arcy
Charlie Allan (musician)
Kieron Elliott
Tony Osoba
Ewan McGregor

Duncan Airlie James (born Duncan Campbell on 23 May 1961) is a Scottish actor best known for his roles in "" and "The Greyness of Autumn".
 He is a former heavyweight kickboxer and was the first Scottish fighter to win a world Muay Thai title and fight in K-1.
"Come What May" is a song composed by David Baerwald and Kevin Gilbert, originally intended for the film "William Shakespeare's Romeo + Juliet".
 However, it was first heard publicly, and is best known as the romantic love theme from Baz Luhrmann's 2001 film "Moulin Rouge!
", where it is sung by Ewan McGregor and Nicole Kidman in their respective roles as Christian and Satine.
Robert "Rab" Buchanan (born 9 March 1962 in Glasgow) is a former Scottish actor, most famous for playing in three films by director Bill Forsyth: "That Sinking Feeling" (1979), "Gregory's Girl" (1981), and "Comfort and Joy" (1984).
 Buchanan, like other young actors in these films, had come to the notice of Forsyth while at the former Glasgow Youth Theatre.
 After these films Buchanan quit acting and now works on the technical staff at Tolbooth Theatre in Stirling, Scotland.
Forbes Masson (born 17 August 1963 in Falkirk) is a Scottish actor and writer.
 He is an Artistic Associate with the Royal Shakespeare Company.
 He is best known for his classical theatre roles and comedy partnership with Alan Cumming.
 Masson and Cumming wrote "The High Life", a Scottish situation comedy in which they play the lead characters, Steve McCracken and Sebastian Flight.
 Characters McCraken and Flight were heavily based on Victor and Barry, famous Scottish comedy alter-egos of Masson and Cumming.
 He was appearing in "Travesties" at the Menier Chocolate Factory until 19 November 2016.
Moe Abutoq is a Scottish film director and film producer.
 His debut started on the Scottish Television series "River City" where he has directed a number of episodes for BBC Scotland from 2014 onwards.
 In 2015, he co directed the feature film "Wasted Time" with longtime collaborator David Hayman Jr..
 The film tells the story of a Glaswegian prisoner at Barlinnie Prison who is wrongly accused of a crime he did not commit.
 The film, featuring Scottish actor David Hayman was shot over a fortnight on a budget of £12,000 and marked the first feature for Shooter Films.
 "Wasted Time" had its world premiere at the 2015 edition of the Glasgow Film Festival.
Jake D'Arcy, (born John Sinclair, 2 December 1945 – 30 May 2015) was a Scottish actor, most recently known for playing "Peter McCormack" or "Pete the Jakey" in the Scottish comedy program "Still Game" from 2002 until 2007, a role he reprised in 2014 for the live show at the SSE Hydro.
Charlie Allan (born 27 February 1963) is a Scottish actor and musician.
 He is the Chief Executive of The Clanranald Trust for Scotland, a recognized non-profit organization in Scotland, which would spread and revive primarily Scottish culture and Scottish heritage through entertainment and education.
 For this purpose, a replica of a medieval Scottish village named Duncarron has been constructed.
Kieron Elliott is a Scottish actor, a host, and a voice-over actor.
 Works include voice work in the film "How to Train Your Dragon", an appearance in the eighth episode of "" and as a host of the show's "Aftermath", a recurring role on the TV series "River City", serving as a BBC Three continuity announcer, as co-host of the UK karaoke style panel game show "Night Fever", being the first presenter on the Scottish radio station 96.3 Real Radio XS, and as a presenter on the Real Radio radio station.
 He was with Blizzard Entertainment in , as the voice of Sully 'The Pickle' McLeary.
Tony Osoba (born 15 March 1947) is a Scottish actor best known for his role as Jim 'Jock' McClaren in the popular 1970s British sitcom "Porridge".
 He also appeared in its sequel "Going Straight".
 Osoba was the first black Scottish actor to appear on primetime television when he appeared in the series.
 Since then, he has appeared twice in Coronation Street, first as Wesley McGregor in 1982, and secondly as Mike Baldwin's boss Peter Ingram for a few episodes in 1990, before the character was killed off.
Ewan Gordon McGregor {'1': ", '2': ", '3': ", '4': "} ( ; born 31 March 1971) is a Scottish actor, and singer.
 He is known for his role in the "Trainspotting" films as well as his role in the "Star Wars" film franchise.