Nigel Harman, best known as sexy Dennis from Eastenders, has signed up for the fourth series of Hotel Babylon.

Nigel will take the role of businessman Sam Franklin in the BBC One drama.

He will take over from Max Beesley on the foruth series which will air in 2009.

A BBC spokesperson said: “The new series promises to be packed with big stories and a dream list of guests.

“The introduction of Nigel Harman as Sam… will most definitely stir things up.”