Career: Ranganathan's breakthrough came in 2013 when he was nominated for Best Newcomer at the 2013 Edinburgh Comedy Awards. Since then, he has appeared on a number of comedy panel shows, including Mock the Week, 8 Out of 10 Cats Does Countdown and Have I Got News for You. He has also performed stand-up on Live at the Apollo and presented the BBC Three series Asian Provocateur and co-presented the ITV series It's Not Rocket Science.

Career: In 2008, Harris left Autocar to co-found a web-based digital platform called Drivers Republic. This shut down a year later and Harris joined Evo magazine as a writer and reviewer until 2011. He joined Evo again in 2015. Harris has also amassed a following on YouTube, originally with the automotive network /Drive and later with his own channel called Chris Harris on Cars. He partnered with Neil Carey to shoot the Chris Harris on Cars series, which was absorbed by the BBC in 2016. Harris joined the cast of Top Gear as a recurring presenter for the 23rd series before becoming one of the main presenters in the 24th series.

Career: Langford appeared in her first movie, Bugsy Malone, when she was 12. Other early projects include theatre productions and TV shows, including variety specials and Just William. At 17, Langford landed the role of Rumpleteaser in the original cast of Cats. Since then, she has put her singing and dancing skills to good use in Peter Pan: The Musical, The Pirates of Penzance, and TV's Saturday Starship and The Hot Shoe Show. She played Mel, an assistant to both the sixth and seventh Doctor Whos, between 1986 and 1987. She bounced back onto TV screens in 2006 when she was a contestant on Dancing on Ice. She made it through to the final and she also toured with Torvill and Dean's Dancing on Ice: The Tour in 2007. Since then, she has returned to the West End, playing Roxie Hart in long-running musical Chicago, and toured with Guys and Dolls. She has also appeared in Chicago in Canada and on Broadway. In early 2014, she participated with fellow former contestants in the final series of Dancing on Ice.

Career: As his reputation gathered momentum, Rory was approached to present BBC Radio 4's The Fringe Show, which led to appearances on the station's topical comedy series Week Ending. It was while working on the project he met John Langdon, who went on to be Bremner's permanent co-writer. After a spell on ITV's And There's More, as well as his own BBC Two show, Rory was given his own programme on Channel 4 at the tender age of 24. The impressionist also scored a chart hit with the single Nineteen Not Out. He has gone on to host Rory Bremner, Who Else?, Bremner, Bird and Fortune and provided a plethora of voices for Spitting Image.

Career: Duffy's profile was raised as a result of his appearance on the first series of Celebrity Big Brother in 2001, finishing third out of six. He branched out from Boyzone to more serious acting, most notably on the ITV soap opera Coronation Street as the character Ciaran McCarthy. He went on to play the part of Ringo in the Irish soap opera Fair City, and starred in a TV advertisement for condoms, and as presenter of The Box on Irish TV channel TV3, as well as an Irish comedy Mrs Brown, and had a successful reunion tour with Boyzone. In January 2014, he was a contestant on ITV reality series Splash!

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.