The man that Esposito and Ryan first approach when looking for "Jones" is actually Stana Katic's now-husband Kris Brkljac.
Beau Randolph, the episode's murder victim, was a murder suspect in season four's "Head Case (2011)".
Both Kelly Hu and Stana Katic starred in the movie Stilleto
Spencer Garrett (Evan Pierce) kept talking about needing "leverage" over Beau. Garrett guest starred on the show Leverage (2008) (The Morning After Job) as a corrupt hockey player.