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: Brandon made his professional debut alongside Al Pacino in a New York stage production of Does a Tiger Wear a Necktie? His first TV appearance was in Medical Centre in 1969, while his debut movie, Lovers and Other Strangers, came a year later. Various small roles in films and TV shows such as Police Story, A Change of Seasons, Queen of the Stardust Ballroom, and St Elsewhere followed. He finally became a star when he was cast as a London-based US cop in Dempsey and Makepeace in 1985. When the series ended, he continued to work steadily in numerous projects, most notably West End hit Jerry Springer: The Musical. He's also appeared in Hustle, Episodes, Mr Selfridge and Captain America: The First Avenger. In August 2013, he teamed up with his wife, actress Glynis Barber, for ITV's dancing reality series Stepping Out.

Career: Brooks first played the scheming Janine in 1999 and stayed with the role until 2004. After briefly turning up in the soap in April 2008, she returned on a more permanent basis in December 2008. Away from Albert Square, Charlie has appeared in The Bill, London's Burning, Jonathan Creek and The Demon Headmaster. In 2006, she played the title role in Beverley Allitt: Angel of Death. She took part in the Christmas 2011 edition of Strictly Come Dancing, and in 2012, she became the queen of the jungle after winning I'm a Celebrity… Get Me Out of Here! After taking a break from EastEnders Brooks returned to the soap in April 2013, but left again in March 2014. Away from acting, she has released a best-selling fitness DVD.