Christine Baranski (Diane Lockhart) & Peter Gallagher (Ethan Carver) also worked together on A Bad Moms Christmas (2017), as Ruth & Hank respectively.
Margo Martindale reprises her role of Ruth Eastman in The Good Wife spin-off, The Good Fight (2017).
Makenzie Vega (Grace Florrick) & Saul Rubinek (Judge Thomas Treem) also worked together on The Family Man (2000), as Annie Campbell & Alan Mintz respectively.
Chris Noth (Peter Florrick) & Don Sparks (Wendall Oakman) also worked together on episode 5.12, Watch (2006), of Law & Order: Criminal Intent (2001), as Mike Logan & an Air Traffic Control Agent #1 respectively.