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: O'Dowd made his TV and film debuts in 2003, in an episode of Red Cap and Conspiracy of Silence respectively. Other early roles came in Vera Drake, Festival, The Clinic and Showbands. Channel 4 sitcom The IT Crowd made him a star in the UK, while the movies The Boat That Rocked, Dinner for Schmucks and Bridesmaids raised his profile in the US. He then created, wrote and starred in the sitcom Moone Boy, which is loosely based on his own childhood. More recently he appeared in the films The Sapphires, This Is 40 and St Vincent.

Career: While originally intending to pursue a career as a serious actress, her comic abilities saw her quickly noticed by talent scouts. She landed a role in ITV's Doc Marten before The IT Crowd came along. Other recent roles include hit movie The Boat That Rocked and sitcom The Old Guys. She also has several theatre credits.

Career: Berry's first taste of TV was in the late 1990s on video game magazine show Game Over on satellite computer and technology channel .tv. His first prominent TV role was playing Todd Rivers/Dr Lucien Sanchez in the Channel 4 comedy series Garth Marenghi's Darkplace and its spin-off Man to Man with Dean Learner. His other TV credits include The Mighty Boosch, Saxondale, The Peter Serafinowicz Show and The Sarah Silverman Program. He is best known for playing Douglas Reynholm in The IT Crowd. More recently, Berry has starred in Five Daughters, Toast of London and House of Fools. He is also an accomplished musician and has released several albums.

Career: Chan made her TV debut in the 2006 miniseries When Evil Calls. Her first major role came in 2009 when she played geologist Mia Bennett in a special episode of Doctor Who. She made guest appearances in The IT Crowd and Sherlock before landing recurring roles in Secret Diary of a Call Girl, Fresh Meat and Bedlam. More recently, she starred in the Comedy Central comedy Brotherhood and Channel 4 sci-fi drama Humans. Her film credits include Submarine (2010) and Jack Ryan: Shadow Recruit (2014).