Richard Bekins played four different characters over the course of the series:
- Episode 20.20 The Taxman Cometh (2010) - Roger Weil
- Episode 15.16 The Sixth Man (2005) - Basketball Commissioner
- Episode 13.1 American Jihad (2002) - Mr. Landon
- Episode 5.23 Pride (1995) - Councilman Richard Durban
Nance Williamson has played four different characters over the course of the series:
- Episode 20.20 The Taxman Cometh (2010) - Paulette Kastner
- Episode 14.11 Darwinian (2004) - Assistant ME Erika Malchiodi
- Episode 12.1 Who Let the Dogs Out? (2001) - Assistant M.E. Jansen
- Episode 5.23 Pride (1995) - Judge Louise Lessing
Damian Young has played five different characters over the course of the series:
- Episode 20.20 The Taxman Cometh (2010) - Bruce Graham
- Episode 17.16 Murder Book (2007) - Judge Stephen Emerton
- Episode 14.20 Everybody Loves Raimondo's (2004) - Counselor Sizemore - Sonny King's attorney
- Episode 11.4 Standoff (2000) - Benson White
- Episode 10.8 Blood Money (1999) - Daniel Catterson
Kate Hodge (Serena Kensey) previously played the role of Attorney Prescott in episode 17.11, Remains of the Day (2007).