Career: Started as a stand-up comedian, presented short-lived game show Carnal Knowledge and appeared on Father Ted. Got his big break in 1997 presenting The Jack Docherty Show while the regular host was on holiday. Norton won Best Newcomer at the British Comedy Awards, beating Docherty who had been nominated for the same plaudit. In 1998, he landed his own chat show, So Graham Norton, and started the production company, So Television. He signed a multi-million-dollar contract to host an American version of his chat show, The Graham Norton Effect, before moving to the BBC in 2004, presenting programmes including Strictly Dance Fever and The Bigger Picture. Since then, his star has gone into orbit, fronting endless musical reality shows, resurrecting his chat show, and recently taking over as the voice of Eurovision.

Career: Hiddleston made his small-screen debut in the 2001 TV movie The Life and Adventures of Nicholas Nickleby. A year later, he starred in the TV movie The Gathering Storm. After graduating from Rada, he made his film debut in Unrelated (2007). He is best known for playing the character Loki in the Thor movies and in The Avengers (2012). His other film credits include Archipelago (2010), Midnight in Paris (2011), War Horse (2011) and Muppets Most Wanted (2014). He won an Olivier Award in 2008 for his role in Cymbeline.

Career: Her official film debut was in the 1980 film Foxes, which also starred Jodie Foster, but her big break came five years later when she played a blind girl in Mask. She went on to appear in David Lynch films Blue Velvet (1986) and Wild at Heart (1990) and in 1991 received an Oscar nomination for her role in Rambling Rose, which co-starred her mother. The following year she won a Golden Globe for her role in the TV movie Afterburn, and in 1993 starred in the blockbusting Jurassic Park. Her recent credits include TV movie Recount, Everything Must Go (2010), Little Fockers (2010),The Master (2012), and TV series Enlightened.

Career: Arnett began landing guest spots in a number of TV shows, including Sex and the City, Boston Public, The Sopranos, Law & Order: Special Victims Unit and Will & Grace. His big break came in 2003 when played George Oscar `Gob" Bluth II in the sitcom Arrested Development. He went on to star on the big screen in Let's Go to Prison (2006), Blades of Glory (2007), Semi-Pro (2008) and When in Rome (2010). His TV credits also include Running Wilde, The Increasingly Poor Decisions of Todd Margaret, Up All Night, 30 Rock and The Millers. He has lent his voice to a number of projects, including Ratatouille (2007), Horton Hears a Who! (2008), Monsters vs Aliens (2009), Despicable Me (2010), The Nut Job (2014) and The Lego Movie (2014).

Career: Other TV work followed with roles in Bleak House, The Amazing Mrs Pritchard, Agatha Christie's Marple, Waking the Dead and a standout performance in an episode of Doctor Who. An Academy Award nomination for her role in An Education (2009) elevated her to the world stage and she has never looked back. Since then she has starred in a number of independent and big-budget films, including Public Enemies (2009), Wall Street: Money Never Sleeps (2010), Never Let Me Go (2010), Drive (2011), Shame (2011), The Great Gatsby (2013) and Inside Llewyn Davis (2013).