Nigel Derek Harman (born 11 August 1973) is an English actor, most famous for his role as Dennis Rickman in the UK soap opera EastEnders. He has worked extensively in theatre, with the stage being described as his "first love". He most recently starred in the final series of Hotel Babylon.

In the theatre, he has played various musical roles including Sky Masterson in Michael Grandage's revival of Guys and Dolls and Lord Farquaad in the original London production of Shrek the Musical for which he received the Olivier Award for his performance.

Nigel grew up in Woldingham, Surrey and was educated at Dulwich College. However, he found school difficult: "I was never comfortable sitting down. I always wanted to get involved in something, not just learn and write. I was in so much trouble I had my own desk in detention." His father was a bank manager, but also involved in amateur dramatics including work with CODA (Croydon operatic and Dramatic Association), an interest which was passed on to Nigel. His mother was also involved in the productions; though she died when Nigel was 18.

Jonathan Stephen Ross, OBE (born 17 November 1960) is an English television and radio presenter, best known for presenting the BBC One chat show Friday Night with Jonathan Ross from 2001 until he left the BBC in 2010. Ross began hosting a new chat show on ITV1 starting 3 September 2011. Ross also hosted his own radio show on BBC Radio 2, and acted as a film critic and presenter of the Film programme. Other regular roles have included being a regular panellist on the comedy sports quiz They Think It's All Over from 1999 to 2006, and presenting the annual British Comedy Awards from 1991 to 2007, and 2009 onwards.

Ross began his television career as a programme researcher, before débuting as a television presenter for The Last Resort with Jonathan Ross on Channel 4 in 1987. Over the next decade he had several radio and television roles, many through his own production company, Channel X. In 1995 he sold his stake in Channel X, and embarked on a career with the BBC. In 1999, Ross took over presenting the Film programme from Barry Norman, and also began presenting his own radio show, while two years later he began hosting Friday Night with Jonathan Ross. For the chat show, Ross won three British Academy of Film and Television Arts (BAFTA) awards for Best Entertainment Performance, in 2004, 2006 and 2007. By 2006 Ross was believed to be the BBC's highest paid star. In 2005, Ross was made an Officer of the Order of the British Empire (OBE) for services to broadcasting. Ross has been involved in controversies throughout his broadcasting career. As a result, in 2008 he wrote a semi-autobiographical work titled Why Do I Say These Things?, detailing some of his life experiences.

Kian John Francis Egan (born 29 April 1980) is an Irish musician. He was a member of the boyband Westlife and a coach on The Voice of Ireland.

He was also in a pop group called IOYOU with fellow Westlife members Mark Feehily and Shane Filan, as well as Graham Keighron, Michael "Miggles" Garrett and Derrick Lacey.

Egan plays many instruments inside and outside the group, including the piano and guitar and was a former member of Sligo punk rock group Skrod.

Aside from being a member of Irish boy band Westlife, Kian, (during a year long hiatus from the group on 2008) launched a new venture along with Louis Walsh to put together and co-manage girlband, Wonderland, their debut album reached number 6 in Ireland and number 8 in the UK; just 4 months later, however, they were dropped by Mercury Records.

Egan has also co-written a few songs, including;

"Timeless" for the pop band D-Side.

He has been on Celebrity Juice along with Amanda Byram, Paddy McGuinness and Laura Whitmore.

He was one of the four coaches on The Voice of Ireland. However, his dreams of winning the show went to tatters as he threw his lot in with Jim Devine, a Northern Irishman. This immediately put him at a disadvantage to the other contestants as, ahead of the final, people in Northern Ireland could not download his single, the tally of which contributed to his vote. Egan was left fuming and in need of support from Sharon Corr as he whinged about the unfairness of it all and had "huge rows" about it but to no avail.

Simon Phillip Cowell (born 7 October 1959) is an English A&R executive, television producer, entrepreneur, and television personality. He is known in the United Kingdom and United States for his role as a talent judge on TV shows such as Pop Idol, The X Factor, Britain's Got Talent and American Idol. He is also the owner of the television production and music publishing house Syco.

As a judge, Cowell is known for his blunt and often controversial criticisms, insults and wisecracks about contestants and their abilities. He is also known for combining activities in both the television and music industries, having promoted singles and records for various artists, including television personalities. He was most recently featured on the fifth series of Britain's Got Talent and the first season of The X Factor USA.

In 2010, the British magazine New Statesman listed Cowell at number 41 in a list of "The World's 50 Most Influential Figures 2010".

Cowell was born in Lambeth, London and brought up in Elstree, Hertfordshire. His mother, Julie Brett (née Josie Dalglish), is a former ballet dancer and socialite, and his father, Eric Selig Phillip Cowell (1918–1999), was an estate agent developer and music industry executive. Cowell's father was from a mostly Jewish family, though he did not discuss his background with his children (Cowell's paternal grandmother had immigrated from Poland). Cowell's mother was from a Christian background, and is of part Scottish descent. He has one brother and three half-brothers and a half sister; younger brother Nicholas Cowell, half-brother John Cowell, half-brother Tony Cowell, half-brother Michael Cowell and half sister June Cowell.

Samantha Zoe Womack (née Janus; born 2 November 1972) is an English actress, singer and director, both on television and stage. In recent years she has been best known for playing the role of Ronnie Branning in EastEnders, but made her name in the mid 1990s as Mandy Wilkins in Game On, and also represented the United Kingdom in the Eurovision Song Contest 1991. She is currently the star of the award winning show South Pacific, touring the UK with the cast and gaining the most impressive reviews of her career so far. Samantha is patron to Expressions Performing Arts in Mansfield, Nottinghamshire.

Janus was born in Brighton, Sussex. Her father Noel left the family when she was three, and soon after her mother Diane married a doctor and the family moved to Edinburgh. She has a younger sister, Zoe. Janus lived on the QE2 with her grandmother for a short time. On 23 August 2009, her 60-year-old estranged father was found hanged in the bathroom of his council flat in Brighton, where he lived alone. It is believed he committed suicide.