Career: Toksvig went on to work at Nottingham Playhouse and for the New Shakespeare Company before landing a job as a writer and performer on children's show No 73 in 1982. She then moved onto the comedy circuit and began to gain a wider following thanks to regular appearances on Radio 4's I'm Sorry I Haven't a Clue, hosting the station's News Quiz, and Channel 4's Whose Line is it Anyway? She became a Call My Bluff team captain in 1997, and began presenting a revival of Fifteen-to-One in 2014. In 2015, she left her job as the presenter of The News Quiz to help set up the Women's Equality Party.

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: Conaty stars in the BBC's hidden camera series Impractical Jokers and she has appeared as a guest on a number of panel shows, including Have I Got News for You, 8 Out of 10 Cats and Never Mind the Buzzcocks. In 2013, she began playing Jo in Channel 4 sitcom Man Down.

Career: Kielty's stand-up career began in 1992. He was a finalist on the Late Late Show New Comedy Act of the Year, and co-founded one of Northern Ireland's first comedy clubs at the Belfast Empire. In 1994 he hosted BBC Two special The Empire Laughs Back. Big break came in 1995 when he stole the show on St Patrick's Night Comic Relief in Belfast. Following his live series PK Tonight, he went on to appear on The Stand-Up Show and The Big Breakfast. His other credits include After The Break, The National Lottery Big Ticket, Fame Academy, Celebrity Love Island and his own chat show, Patrick Kielty Almost Live.

Career: Hardy's big break came in 2013 when he landed the role of Peter Beale in long-running BBC soap EastEnders.