New Tricks is a British television police procedural, created by Nigel McCrery and Roy Mitchell, produced primarily by Wall to Wall (until its final year, when it was handled by Headstrong Pictures), and broadcast on BBC One. The programme originally began with a pilot episode on 27 March 2003, before a full series with commissioned for 1 April 2004, with it concluding after twelve series on 6 October 2015. The show utilises an ensemble cast, of which Dennis Waterman was the only constant over all twelve series; this cast variously included Alun Armstrong, James Bolam, Amanda Redman, Denis Lawson, Nicholas Lyndhurst, Tamzin Outhwaite, and Larry Lamb.