Career: Greig achieved a cult following playing Debbie Aldridge in The Archers on Radio 4 and had early TV roles in Blue Heaven, Neverwhere, Faith in the Future and Wycliffe. In 2000, the sitcom Black Books helped boost her profile. She had a cameo in 2004 movie Shaun of the Dead, and in the same year appeared in the first series of cult medical sitcom Green Wing, for which she received a Royal Television Society award and a Bafta nomination. She's also featured in Doctor Who and took a key role in romantic comedy- drama Love Soup. Stage credits include the Royal Shakespeare Company's Complete Works Festival. Greig won a Laurence Olivier Award for her role in Much Ado About Nothing. Recent TV work includes the sitcoms Friday Night Dinner and Episodes, and black comedy series Inside No 9.

Career: After leaving Cambridge, Bird set up the sketch comedy group The House of Windsor with Inbetweeners co-star Joe Thomas. They performed at the Edinburgh Festival in 2007 and 2008, receiving favourable coverage in the national press. His breakthrough came in 2008 when he was cast as Will McKenzie in the delightfully crude high-school sitcom The Inbetweeners. He was named Best Actor at the 2009 British Comedy Awards. Three series of The Inbetweeners was followed by a hugely successful movie version. The movie sequel was released in August 2014. He has also hosted comedy panel show The King is Dead and starred in Friday Night Dinner and Chickens.

Career: In 2011, Rosenthal began starring in Channel 4 comedy Friday Night Dinner alongside Simon Bird. His other TV credits include Plebs, Breathless and Broadchurch. When he is not acting, he is performing stand-up.

Career: He attended RADA in the late 1970s, studying alongside Kenneth Branagh. His debut film was 1982's The Sender, a horror feature in which he played a patient. Two years later he appeared opposite Mel Gibson and Anthony Hopkins in The Bounty. In the late 1980s he played Lionel Zipser in Porterhouse Blue, appeared regularly on Whose Line is it Anyway? and starred in his own one-man TV show, simply titled John Sessions. He has also appeared in Henry V and In the Bleak Midwinter, both directed by old friend Branagh. He scored a major hit in spoof soap opera Stella Street for which he characterised a variety of middle-aged actors, alongside Phil Cornwell. Other projects include Skins, Outnumbered and The Iron Lady.