Maura Tierney (Abby Lockhart) & Hassan Johnson (Darnell Thibeaux) also worked together on episode 4.5, Waiting for the Knock (2012), of The Good Wife (2009) as Maddie Hayward & Gavin Wells respectively.
Mekhi Phifer and Hassan Johnson were both in the 1995 film Clockers, as was Keith David who had a recurring guest star role in this season.