People in Kent are being given the chance to star in a new reality TV show – which it is understood will be filmed at a historic castle. A casting call has opened for a role said to be linked to a new series at Lympne Castle near Hythe which has recently been taken over by celebrity owners. Businesswoman and TV star Dr Ann Kaplan Mulholland snapped up the historic building with her husband Dr Stephen Mulholland for £5.5 million after it was put on the market for double that price. The pair have a whole host of plans for the Grade I-listed venue and previously told KentOnline how they would lik…