In the hospital room scene, as Briscoe leaves, he says to McCoy and Carmichael, "Be our guest." This was the title of a song sung by Jerry Orbach in Beauty and the Beast (1991).
This episode appears to be inspired by the debate over whether mentally-ill people have the right to refuse medication.
Marcia Jean Kurtz has played four different roles over the course of the series:
- Episode 1.6 Everybody's Favorite Bagman (1990) - Alice Halsey.
- Episode 1.9 Indifference (1990) - Carla Lowenstein.
- Episode 10.11 Collision (2000) - Myrna Bauer.
- Episode 15.11 Fixed (2004) - Carla Lowenstein.
Madison Arnold has played five different roles over the course of the series:
- Episode 1.13 A Death in the Family (1991) - Bridges.
- Episode 6.23 Aftershock (1996) - Leonard Jensen.
- Episode 9.17 Shield (1999) - Mr. Pelham
- Episode 10.11 Collision (2000) - Patrick Clarke.
- Episode 15.14 Fluency (2005) - Reimer.
- Episode 19.10 Pledge (2009) - Saul Lasky.
Ken Land (Burt Kellerman) previously played the role of Carl Bishop in Episode 5.11, Guardian (1995).