Career: Carlyle co-founded the Raindog theatre group in Glasgow in 1990 and his big break came in the same year when director Ken Loach cast him in the film Riff-Raff. Four years later, he won a Scottish Bafta for his performance as murderer Albie Kinsella in a three-part episode of Cracker. The lead role in Hamish Macbeth followed in 1995. He caught Hollywood's attention after appearing in Trainspotting and The Full Monty. He has also starred in Plunkett and Macleane, Angela's Ashes, The Beach, Bond film The World Is Not Enough, and The 51st State, as well as 28 Weeks Later.

Career: Louis' greatest roles have all come on the small screen. Although he is best known as a TV actor, he has appeared in films, including Saw IV, Dawn of the Dead and Shooter. The TV series he has been involved in include Urban Angel (1991 - 92), Local Heroes (1996), Public Morals (1996), The Fighting Fitzgeralds (2001), Hidden Hills (2002 - 03), The Andromeda Strain (2008) and Durham County (2007). In Durham County, his chilling performance as serial killer Ray Prager earned him the Gemini Award for Leading Actor in 2008. He won critical acclaim for his portrayal of Donald Trump in Trump Unauthorised (2005) and his role of FBI Assistant Director John Pollock in Missing (2004 - 06). In 2009, he joined the cast of SGU Stargate Universe as Colonel Everett Young. More recently, he has starred in Primeval: New World, Breaking Bad and Motive.

Career: Smith first made a name for himself in a small indie film Hate Crime. He played a gay man, who was a victim of intolerance at the hands of a son of a fundamentalist preacher. Smith has starred in two other films: The War Boys and Red Hook. He has also appeared in TV shows including Law & Order in 2009 and Agatha Christie's Poirot: Murder on the Orient Express. He has also performed in several theatre productions, including the Broadway play Come Back, Little Sheba. The role he is best known for is that of Lt Matthew Scott in the military science fiction series SGU: Stargate Universe, which blasted onto the small screen in 2009. Smith reappeared on ITV over Christmas 2010 in Agatha Christie's Poirot. He has made guest appearances in a number of American shows since then.

Career: As well as being a trained singer, actor and dancer, David also has extensive improvisation training and comedy experience to his name. He has starred in many theatre productions, including performances at the prestigious Actor's Theatre of Louisville. He relocated to Los Angeles to try to break into film and TV. He has appeared in Scrubs, Veronica Mars, The Secret Life of Zack and Cody and Dirt as well as a regular role as Logan Griffen in Moonlight which earned him a large and ever-expanding fan base. His received an Emmy nomination in 2008 for his role as Cliff St. Paul in Ugly Betty. He is best known for playing Eli Wallace in Syfy series Stargate Universe.