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: Ayoade's breakthrough came when he and Matthew Holness created fictional horror author Garth Merenghi; a stage show featuring the character won the Perrier Award, which was followed by the Channel 4 series Garth Merenghi's Darkplace. Ayoade went on to appear in The Mighty Boosh, Nathan Barley, Bunny and the Bull, and The IT Crowd. He made his big-screen directorial debut with the acclaimed Submarine (which he also wrote, adapting it from the novel by Joe Dunthorne), and has since directed The Double as well as numerous music videos for acts such as the Arctic Monkeys, Super Furry Animals, the Yeah Yeah Yeahs and Kasabian. He's was a team captain on Channel 4 panel show Was It Something I Said? and took over as host of Gadget Man from Stephen Fry.

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: Winkleman's TV career began with a job on the regional discussion programme Central Today in 1991, before graduating to Holiday on BBC One and ITV's This Morning. She worked on the infamous L!ve TV and various other digital channels before joining BBC Three's Liquid News in 2002. She also presented a Fame Academy spin-off series, and between 2004 and 2010, she presented Strictly Come Dancing's daily sister show, It Takes Two. Since then, she's fronted Art School, the Eurovision Dance Contest and part of the Sports Relief coverage, as well as her own vehicles, such as King Of. She currently co-hosts the Film programme and since 2013, she has presented The Great British Sewing Bee for BBC Two. After previously filling in as a co-host on Strictly Come Dancing when Bruce Forsyth was unavailable, she became the full-time co-host alongside Tess Daly in 2014.

Career: Riches had small roles in such TV series as A Touch of Frost and Always and Everyone before he did his first comedy show at Edinburgh Festival Fringe in 2003 with Jim Johnson. In 2007, he returned to the Fringe with the show Victor and again in 2008 with Alpha Males. His 2011 show, Bring Me the Head of Adam Riches, won the Foster's Edinburgh Comedy Award and was transferred to Soho Theatre in London in 2012. Since then, he has had acting roles on TV, including as Tony in Detectorists and various historical figures in Drunk History: UK and Horrible Histories. His next comedy show, Adam of the Riches, was on at Edinburgh Fringe in 2014. He was also a panelist on an episode of 8 Out of 10 Cats Does Countdown and he appeared in the film A Street Cat Named Bob (2016).

Career: Riley's big break came in 2008 when she was chosen from more than 1,000 applicants to replace Carol Vorderman on Countdown. She presented her first show alongside Jeff Stelling in January 2009, and reached her 1,000th episode in June 2013. Away from the numbers and letters on Countdown, she began co-hosting The Gadget Show alongside Jason Bradbury in June 2013. She was a contestant on Strictly Come Dancing in 2013 and was the fifth celebrity to be eliminated.

Career: Osman has worked behind the scenes as an executive producer on a number of TV programmes, including Deal or No Deal, 8 Out of 10 Cats, and 10 O'Clock Live. As the UK creative director of TV production company Endemol, he pitched the quiz Pointless to the BBC. As a way of explaining the rules, he played the co-host during a run-through. He was asked to do the role for real when the show was commissioned. Pointless started on BBC Two in 2009 and was an immediate hit. It quickly made the switch to BBC One. Since being in the spotlight on Pointless, he has made guest appearances on QI, Have I Got News for You and Would I Lie to You? He also guest presented an episode of The One Show alongside Alex Jones.