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: Black left university early to join Tim Robbins' Actors' Gang theatre group, where he met his musical partner Kyle Gass. Black's first film was Robbins' Bob Roberts in 1992. He then moved into TV, making numerous appearances in such shows as The Golden Palace, The X-Files and Touched By An Angel. Other early films include Waterworld, Dead Man Walking and Mars Attacks! His breakthrough role was in 2000's High Fidelity. He's also starred in Shallow Hal, Orange County, School of Rock, Peter Jackson's remake of King Kong and The Muppets. Lending his vocal talents to the animated Kung-Fu Panda movies cemented his star status.

Career: Following a short course at Oxford University, Rudd helped to produce a performance at the Globe Theatre and played Hamlet, directed by Ben Kingsley. His first TV work came in 1992, including a year-long stint on soap opera Sisters. More stage work followed before his big break came when he was cast as the love interest in hit movie Clueless. He's been in demand ever since, appearing in such diverse projects as Romeo + Juliet, The Cider House Rules, The Object of My Affection, Jackie Chan's Gen-X Cops 2 and Anchorman: The Legend of Ron Burgundy. He became a semi-regular in Friends in 2002. Since then, he has appeared in a number of hit comedy films, including The 40-Year-Old Virgin, Night at the Museum, The Ex, Knocked Up, Forgetting Sarah Marshall, Role Models, Year One, Dinner for Schmucks and Ant-Man.

Career: Buckley came second in I'd Do Anything, losing out on the chance to play Nancy in Oliver. She was offered the understudy role for Nancy but turned it down in favour of playing Anne Egerman in the Off-West End production of A Little Night Music. The production later appeared at the Garrick Theatre in the West End. Buckley graduated from the Royal Academy of Dramatic Art in January 2013 and, in the summer of the same year, performed in The Tempest and Gabriel in Shakespeare's Globe. In 2015, Buckley performed in the Kenneth Branagh Theatre Company's production of The Winter's Tale, which was broadcast to cinemas worldwide. Buckley has since had TV roles in such shows as War and Peace and Taboo.