Abigail Savage has played several different characters during the shows run.
- Dot in Control (2003)
- Cat in Sugar (2009)
- Nina Kelly in Manhattan Transfer (2016) & Unholiest Alliance (2016)
Michael O'Keefe has played several different characters during the shows run.
- Al Marcosi in Counterfeit (2002)
- Ronald McCain in Outcry (2004)
- Father Eugene O'Hannigan in Manhattan Transfer (2016) & Unholiest Alliance (2016)
This is Jonathan Cake's third appearance in the Law & Order universe:
- He played Colin Ledger on Law & Order: Criminal Intent (2001) in Neighborhood Watch (2008) & Last Rites (2008)
- He played Marcus Woll on Law & Order (1990) in Boy Gone Astray (2009) & For the Defense (2009)
- He plays Monsignor Mulregan on this show in Manhattan Transfer (2016) & Unholiest Alliance (2016)