 The ITV 1970s TV series "The Professionals" filmed both outside and inside for several different episodes, most notably in one episode when a car is driven at speed towards the asylum main entrance followed by both main characters running down the white spiral staircase of the central tower into the basement below.At least one other episode uses a ward as a location where the three main characters visit a person supposedly in a general hospital ward.Some scenes of the BBC 1970s TV series "Porridge" starring Ronnie Barker was filmed at Hanwell.