This is the first episode since the season one finale Slaves (2000) in which there is no ADA serving as a regular cast member in the opening credits. In the episode Hardwired (2009), Stephanie March is added to the opening credits but she is only credited for the episodes that she appears in during this season.
Both Mahershala Ali and Wentworth Miller have played bad guys in comic book based super hero shows. Ali as Cottonmouth in "Luke Cage" and Miller as Captain Cold in the Arrowverse.
Filmed on July 6-15, 2009. Production number: #1101.