** [[Series/BandOfBrothers Carwood Lipton]] is now an NYPD detective.
** [[ThePretender Jarod]] is a detective, too ([[GeniusBonus or is he pretending?]])
** Special Agent [[Series/CriminalMinds Elle Greenaway]] guest-stars as a Russian mob queen.
** [[WhiteCollar Alex Hunter]] appears as a nightclub owner.
** Frank shares a brunch with Matt Walton, better known as the Optimum cable commercial guy.
** ADA Erin Reagan-Boyle is the HotScientist in ''Film/IRobot''.
** [[NYPDBlue Det. Sgt. Martinez]] must have gotten a demotion to Patrolman.
* YouMightRememberMeFrom: TomSelleck's role as Police Commissioner Frank Reagan is his first major role in quite a while, apart from a string of TV movies based on the ''JesseStone'' book series. He mentioned in an interview on ''TheTalk'' that he took the job partly because the script made him cry.