Superintendent Ray Martin
Greg Ashby (1 episode, 2013)
Prince of Wales (1 episode, 2013)
Michael Appleton (unknown episodes)
Louis Trevelyan (unknown episodes)
Mark Penellin (1 episode, 2003)
Danny Latimer (2 episodes, 2005)
Daniel Marlowe 24 episodes, 2016-2022
Tim Baxendale 1 episode, 2015