During the First minute of the episode the background music is actually a version of the intro of the Good Fight
Matt Czuchry (Cary) & Thomas Kopache (Liam Meade) also worked together on episode 6.2, Fight Face (2005), of Gilmore Girls (2000) as Logan & George respectively.
Julianna Margulies (Alicia Florrick) & Howard McGillin (Lloyd Garber) previously worked together on episode 4.20, Of Past Regret and Future Fear (1998), of ER (1994) as Carol Hathaway & Herrguth respectively.
Alma Hoff, played by Becky Ann Baker, previously appeared in episodes 4.10 Battle of the Proxies (2012), and 5.16, The Last Call (2014).
Julianna Margulies (Alicia Florrick) & Thomas Kopache (Liam Meade) previously worked together on episode 15.19, Old Times (2009), of ER (1994) as Carol Hathaway & Dr. Stofsky respectively.