Nathan Lane and Christine Baranski previously appeared together in the film, The Birdcage (1996), and also off-Broadway in Lips Together, Teeth Apart, and The Man Who Came to Dinner.
Archie Panjabi (Kalinda Sharma) & Kenneth Tigar (Judge James Chase) also worked together on episode 2.13, Name Not One Man (2017), of Blindspot (2015) as Nas Kamal & Sean Clark respectively.
Julianna Margulies (Alicia Florrick) & Kenneth Tigar (Judge James Chase) previously worked together on two episodes of ER (1994) as Carol Hathaway & Dr. Keinholz respectively.
Chris Noth (Peter Florrick) & Kenneth Tigar (Judge James Chase) also worked together on episode 2.5, God Bless the Child (1991), of Law & Order (1990) as Mike Logan & Dr. Stanback respectively.