Broadcasters place a lot of faith in stars to launch shows, pull viewers and hike ratings, making the likes of Sarah Lancashire seem as if they are never off the TV. But, Alastair Ray reports that shoe-horning in big names, or creating shows for them, may

or subscribe for access

Subscribe for immediate access 

Choose a subscription package that suits your needs

Get access to premium content subscribe today

If you have an account you can SIGN IN now