Career: In 1993, Moran won the So You Think You're Funny award at the Edinburgh Fringe Festival. He went on to become the youngest person to win the Perrier Comedy Award in 1996 at the Edinburgh Festival when he was 24. In 2000, he starred in Black Books, a Channel 4 sitcom about a miserable, unsociable, drunken, chain-smoking, and disorganized book shop owner called Bernard Black. Based on Moran's original idea, the series was brought to life by co-writer and fellow Irishman Graham Linehan. Two more series followed, and his stand-up tours and DVDs remain best-sellers, while his movie career continues to blossom. On the big screen, he has appeared in Shaun of the Dead, A Cock and Bull Story, and Run, Fatboy, Run.

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: Greig achieved a cult following playing Debbie Aldridge in The Archers on Radio 4 and had early TV roles in Blue Heaven, Neverwhere, Faith in the Future and Wycliffe. In 2000, the sitcom Black Books helped boost her profile. She had a cameo in 2004 movie Shaun of the Dead, and in the same year appeared in the first series of cult medical sitcom Green Wing, for which she received a Royal Television Society award and a Bafta nomination. She's also featured in Doctor Who and took a key role in romantic comedy- drama Love Soup. Stage credits include the Royal Shakespeare Company's Complete Works Festival. Greig won a Laurence Olivier Award for her role in Much Ado About Nothing. Recent TV work includes the sitcoms Friday Night Dinner and Episodes, and black comedy series Inside No 9.

Career: Vegas's big break came in 1997 when he was nominated for the prestigious Perrier Award at the Edinburgh Festival. He made his TV debut in the one-off Johnny Vegas TV Show the following year. In 2001, he landed a role in the Paul Whitehouse sitcom Happiness, which won him the Best Newcomer trophies at the Royal Television Society and British Comedy Awards, although it was arguably his appearance in a series of cult adverts with a sock monkey for ITV Digital that made him a household name. Since then, he's been a regular panellist on Shooting Stars, acted in series Tipping the Velvet, Bleak House, Dead Man Weds, Ideal, Massive, Benidorm, Still Open All Hours and presented his own show, 18 Stone of Idiot. He was also in Johnny Depp film The Libertine and The Harry Hill Movie.