Stephen Tompkinson has starred in television roles from safari vet to priest - and more recently TV detective. He explains why DCI Banks is the most intense character he's ever played.
Dragons Den presenter Evan Davis on why Britain may be about to embark on a new age of epic engineering projects, and his new two-part series Built in Britain.
Daniel Danker - general manager of BBC On Demand - explains how the new BBC iPlayer Radio application will change the way we listen to our favourite radio programmes.
Emmerdale boss Stuart Blackburn on why he's making the move across the Pennines to Weatherfield to take over as Coronation Street producer.
Plus Boyd Hilton & Charlie Condou on the rest of the week's TV highlights, including Homeland, Strictly Come Dancing, The X Factor and Fresh Meat.