Career: After graduating, Fry and Laurie enjoyed a successful comedy partnership. Fry was a millionaire by 30, thanks to a successful rewrite of the Noel Gay musical Me and My Girl. He has appeared in numerous films and TV projects, including Blackadder, Jeeves and Wooster, Wilde, Thunderpants, Kingdom and The Hobbit. He's also written several books, and is well-known as a charming raconteur. He made his movie debut as writer and director with Bright Young Things, based on Evelyn Waugh's book, Vile Bodies. Fry is the presenter of comedy quiz QI, he has also made several acclaimed documentaries, including ones about manic depression and Aids, and he is the reader for the British versions of JK Rowling's Harry Potter series of audio books.

Career: Davies performed his first stand-up gig in 1988, and by the early 1990s was a rising star, picking up rave reviews at Edinburgh. He later gave up playing clubs to concentrate on radio. His Radio 1 series, Alan's Big One FM, led to TV appearances on shows such as One Foot in the Grave, before he was cast as the lead in Jonathan Creek, the light-hearted mystery drama that made him a household name. Other acting work includes Bob and Rose, A Many Splintered Thing, The Brief, Marple, Angus, Thongs and Perfect Snogging (2008), Lewis and Whites. He presented the three-part documentary Alan Davies' Teenage Revolution for Channel 4 in 2010 and was a judge in 2011 on ITV talent show Show Me the Funny. He's also appeared in West End hit Auntie and Me. He has been a permanent panellist on irreverent quiz QI since the show began in 2003.

Career: Bill started touring with the likes of Phill Jupitus and Mark Lamarr, before forming a double-act in 1989 with Martin Stubbs. His big break came in 1995 with the show Bill Bailey's Cosmic Jam, a performance of which was filmed and broadcast on Channel 4. In 1998, he scooped his own comedy show on the BBC, Is It Bill Bailey?, and enjoyed a series of successful guest slots on shows such as Have I Got News for You. Bill also starred in Dylan Moran's Channel 4 sitcom Black Books, before taking over from Sean Hughes as a captain on Never Mind the Buzzcocks in 2002. He's a regular on quiz show QI, and has also enjoyed other acting roles in the likes of Jonathan Creek and Fifteen Storeys High. His big-screen CV includes the movies Saving Grace and Hitchhiker's Guide to the Galaxy, while his cameo in Hot Fuzz was very well-received. He also continues to tour with his stand-up, selling out arenas all over the world, and has begun a separate career as a presenter of wildlife shows, including the ITV series Baboons with Bill Bailey.

Career: Tennant's TV debut was in a 1993 episode of Rab C Nesbitt, but he first made people sit up and take notice thanks to an acclaimed performance in Takin' Over the Asylum a year later. His first film was 1996's Jude. He then appeared in the likes of Duck Patrol, Love in the 21st Century, Bright Young Things and He Knew He Was Right. In 2004, musical mini-series Blackpool helped raise his profile, while Casanova turned him into a heart-throb. Tennant replaced Christopher Eccleston in Doctor Who in 2005, but left the role at the start of 2010; he did, however, return for the 50th anniversary episode in 2013. Projects since include Single Father, Fright Night and Broadchurch - he is also the star of the US version, Gracepoint. He continues to appear on stage whenever possible.

Career: His success as a stand-up was crowned when he won an award at the Edinburgh Fringe Festival. He came to the attention of TV bosses after a stint on the radio. Lee was cast in The Sketch show alongside long-term collaborator Tim Vine. After a short-lived stint presenting They Think It's All Over, Mack and Vine began work on Not Going Out. The series revolves around two friends with opposite backgrounds and personalities, much like the two comics themselves. Mack has recently become a regular on comedy panel shows such as Would I Lie to You? and Have I Got News for You. He also has sell-out tours and best-selling DVDs to his name.