An EastEnders legend has been spotted filming a new television show in Norwich.

Natalie Cassidy, best known for playing the long-standing soap character Sonia Fowler, was seen in Gentleman's Walk on Monday afternoon. 

It is believed the actress was filming What’s The Big Deal? - an upcoming Channel 4 consumer affairs show.

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Natalie Cassidy was seen in Gentleman's WalkNatalie Cassidy was seen in Gentleman's Walk (Image: Anne Elibol) In each episode, Cassidy will explore four popular products, from ice baths to teeth whiteners.

A spokesman for Channel 4 said: "With behind-the-scenes access to scientists, nutritionists and industry insiders, Natalie will investigate how these products actually work and which ones she thinks are worth the hype.

"As Natalie gathers intel from a raft of experts, six charismatic British households are road-testing these products for themselves at home, then they'll give their honest opinion on which ones they'd buy."

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Natalie Cassidy has portrayed the character of Sonia Fowler since 1993Natalie Cassidy first joined EastEnders in 1993 (Image: BBC/Jack Barnes/Kieron McCarron) A casting agent posted a message to a Norwich community Facebook group last week asking for local participants.

The 41-year-old first joined the cast of EastEnders in 1993 and in 2001 was named best actress at The British Soap Awards.

Cassidy has also appeared in The Catherine Tate Show and Motherland and came fifth in the 2009 series of Strictly Come Dancing.