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Catherine Tate appeared in 1993 and 1994

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Lynda Bellingham appeared in several episodes in 2004 as villainess Irene Radford.

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Being Human’s Lenora Crichlow guest starred as Shirley Moss in 2004.

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John Alford appeared in 1990, 1991 and 2002, but is probably best remembered for his roles in London’s Burning (Billy Ray) and Grange Hill (Robbie Wright).

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ER and Doctor Who star Alex Kingston appeared in several episodes between 1985 and 1988

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Les Dennis popped up in 2006 as Tom Walker, a man suspected of murdering his father

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Darren Day appeared as a sleazy photographer in 2007

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Leslie Ash guest starred in a 1989 episode

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David Walliams played activist Ben Fletcher in 2002

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James McAvoy played teenage runaway Gavin Young in 1997

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Kiera Knightley played tearaway youngster Sheena Rose in 1995

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Linda Lusardi appeared as the girlfriend of DS Don Beech in 2000

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The Royle Family’s Ralf Little made a guest appearance in 2001

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The Young One’s Rik Mayall played Patrick Massie in 1997

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Before he became a household name as outrageous drag act Lily Savage, Paul O’Grady appeared as transvestite Roxanne in 1990

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Ray Winstone played crook Jack Mackenzie in 1995

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Sean Bean guest starred as young mugger Horace Clark in 1984

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Raucous comic Russell Brand starred as Billy Case in 1994

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Pauline Quirke played killer Lesley Palmer in 2005

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Roger Daltry played troubled father Larry Moore in 1999

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Denise Van Outen played gangster’s moll Melanie Lehmann in 1998

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Before spicing up the pop charts, Emma Bunton crossed the paths of the Sun Hill cops in 1993

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House star Hugh Laurie played lawyer Harrap back in 1998

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Roger Lloyd-Pack appeared as drug baron Mick Mortimer in 2002

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Liz Smith followed in the footsteps of fellow The Royal Family star Ralf Little when she appeared on The Bill as Harriet ‘Tatsie’ Wright in 2002

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Louisa Lytton (Pc Beth Green) came face to face with fellow ex-EastEnder Joe Absolom in 2008

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Georgia Moffett appeared as DI Sam Nixon’s daughter, Abi, in 2005

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