Eric Scullion / ... (3 episodes, 2003-2010)
Alan Metcalfe / ... (3 episodes, 1999-2011)
Chief Inspector Graham Hill (6 episodes, 1998)
Patrick Leonard (unknown episodes)
Alex Wrekin / ... (2 episodes, 1999-2005)
Sgt. Reid (2 episodes, 1998)
Duggie / ... (2 episodes, 1994-2000)
George Sugden / ... (3 episodes, 1996-2006)
Eddie Butcher (2 episodes, 1996-1997)
Det. Chief Supt. Jim Gray
Tony Walker / ... (11 episodes, 1990-2009)
Alan Puttnam / ... (6 episodes, 1990-2008)
Joe (1 episode, 1986-2003)
Det. Sgt. Crerand / ... (2 episodes, 1978-1981)
Montroe / ... (2 episodes, 1981-1982)
Frank O'Connor (3 episodes, 2000-2001)
Mike Durant 1 episode, 1995