It's hard to remember that the actor who plays straight-talking cop Catherine Cawood in crime drama Happy Valley, set to return on New Year's Day, was once ditzy barmaid Raquel in Coronation Street.

From musicals to soaps to hit drama series, Sarah Lancashire has had a long and varied career on her way to becoming one of the Britain's best loved actors.

Presenter: Mark Coles Producers: Lucy Proctor and Matt Toulson Editor: Simon Watts Production Co-ordinators: Maria Ogundele and Helena Warwick-Cross Sound Engineer: Rod Farquhar