Greg Grunberg (Chris Callahan) and Jennifer Love Hewitt (Kate Callahan) worked together on The Client List (2011).
Martin Kove who plays retired cop John Folkmore would later star in Cobra Kai reprising his role and John Kreese from the Karate Kid movies. Mary Mouser who plays the niece of an unsub in a previous episode of the season would also star in Cobra kai as the daughter of Daniel Larusso, the rival of Kreese's student.