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: During the 1980s, Quentin had small, supporting roles in a number of projects. In the early 1990s she made appearances in Harry Enfield and Chums before landing the role of Dorothy on Men Behaving Badly in 1992, which eventually ended in 1998. Jonathan Creek offered Quentin a chance to delve into slightly more serious territory. Acting projects since include Life Begins, Blue Murder, Life of Riley, Just William, Dead Boss, Switch and Dancing on the Edge. Quentin also presents Restoration Home (she has dabbled in property restoration herself on numerous occasions) and has begun a second TV career as a travelogue presenter thanks to series such as A Passage Through India and Caroline Quentin's Cornwall.

Career: Planer is best known for his role as Neil, the hippie housemate of Vyvyan (Adrian Edmondson), Rick (Rik Mayall) and Mike (Christopher Ryan) in the cult BBC comedy The Young Ones, which ran from 1982-84. Other leading roles on TV include Shine on Harvey Moon, Filthy, Rich and Catflap, The Grimleys, King & Castle, Bonjour La Classe and Roll Over Beethoven. He's also had notable successes on the stage. His first break in the theatre was understudying David Essex as Che Guevara in the original West End run of Evita. He was also in the original London cast of Chicago as Amos Hart, the original West End cast of Ben Elton's Queen musical We Will Rock You as Pop, and the original production of Charlie and the Chocolate Factory the Musical as Grandpa Joe.