Actor J.E. Freeman who played Mr. Jeffries, a gunshot victim suffering from AIDS, actually suffered from and ultimately died of AIDS in 2014.
On his first appearance in the episode, the character played by Peter Onorati introduces himself to Weaver as "Officer Napolitano," despite wearing the silver bars and white uniform shirt of a Chicago PD lieutenant.
Features Eric Lloyd, who worked with Elizabeth Mitchell in The Santa Clause 2 (2002).