Career: Carr began performing on the stand-up circuit, doing up to 300 shows a year for three years, before taking his act to the Edinburgh festival in 2002. This brought him to the attention of TV bosses, and before long he was presenting series such as Your Face or Mine and Distraction. Since then, he's rarely been off TVscreens, hosting the first run of the Friday Night Project, 8 Out of 10 Cats and numerous Channel 4 list shows. He's also made a move into acting, appearing in Alien Autopsy, Confetti, Stormbreaker and Telstar. He is one of Britain's busiest comics and his DVDs are big sellers.

Career: Lock's first professional TV appearance was in 1993, when he appeared in a supporting role alongside Rob Newman and David Baddiel on their signature TV show Newman and Baddiel in Pieces. He toured with the duo as their support act and, as a result, became the first comedian to perform at Wembley Arena. He script-edited the 1998 BBC Two series Is It Bill Bailey? and had his own show on BBC radio, 15 Minutes of Misery. It was later expanded into the half-hour series, 15 Storeys High. He's now a team captain on the panel game 8 Out of 10 Cats. Other game show appearances have come in the likes of The Big Fat Quiz of the Year, Have I Got News for You, QI, and They Think It's All Over. He also hosted his own entertainment show on Channel 4 called TV Heaven, Telly Hell.

Career: In 2003, Richardson won his heat of the BBC New Talent Comedy Search, and a year later did well in the Laughing Horse New Act of the Year competition and J20 Last Laugh Comedy Search. Encouraged by these successes and kind words from Jasper Carrott and Dave Spikey for a performance at the Criterion Theatre in London, his confidence grew. More stand-up followed, including appearances at the Edinburgh Fringe Festival. He went on to feature on numerous radio shows before moving into TV. Richardson appeared on Never Mind the Buzzcocks and Have I Got News For You before becoming a team captain on 8 Out of 10 Cats. He's since published his first book, It's Not Me, It's You! and taken part in various documentaries.

Career: After graduating, Gabby worked for a series of local radio stations before landing a job at Sky Sports in 1996. She covered a variety of events before she was head-hunted by ITV two years later to front the programme On the Ball. She became a regular fixture on the ITV sporting schedule, and was part of the team responsible for covering the 2002 World Cup. While at ITV she also hosted game show The Vault. She moved to the BBC in 2007, where she is one of the channel's senior sports presenters. She also hosts Splash! and Flockstars on ITV.

Career: Taylor's TV appearances include episodes of 8 Out of 10 Cats, Greatest Tweets 2011, Big Brother's Bit on the Side and Show Me the Funny. She began presenting BBC Three's Snog Marry Avoid? in 2012, taking over from Jenny Frost. Following this, she was a team leader on comedy panel show Fake Reaction and she appeared in an episode of Family Tree. In 2014, she appeared on I'm a Celebrity, Get Me Out of Here! Now! and she has since appeared on Mock the Week, Live at the Apollo and The Nightly Show. Taylor also acted in such series as Brotherhood and The Lodge. Aside from her TV appearances, Taylor has also been building her live stand up career. She performed her debut stand up show, Elliementery, in 2014.

Career: At 10 she auditioned for a role in EastEnders and won the coveted part of Sonia, a member of the infamous Jackson clan. During her time in the soap her character had to deal with giving birth after not realising she was pregnant, the death of her fiance and a lesbian affair that almost wrecked her marriage. Cassidy won both British Soap and TV Quick Awards, and is one of EastEnders' most popular stars. She's also appeared on So Graham Norton, taken part in Celebrity Driving School, and reported for Holiday. She was a contestant on the seventh series of Strictly Come Dancing. In 2012, she entered the Celebrity Big Brother house.