Kris Holden-Ried and Ksenia Solo were credited but did not appear in this episode.
Goof: After Kensi is cut in the side, she falls down. With her hands still on the crossbow you can see that her hands are already covered in blood without ever touching the wound yet.
Though Bo said from now on, she's only taking showers, she had taken baths in later episodes.
The song playing while Trick, the Blood King, is writing in his own blood is a cover of the Spoons classic, "Nova Heart", by Johnny Hollow.
The meeting Bo invokes for the brother, the Agallamh, is a word from the Irish language which means "Interview."
The Siracon Trick gives to Bo looks like the weapon Witchblade from the TV series by the same name as it expands into a form of a gauntlet with a blade on the hand plate
The type of fae featured, the Aswang, is based upon a creature of Philippine mythology and folklore. It is believed to be living by day as a human and transforms at night into a blood or flesh eating ghoul. Also believed to have the ability to shape-shift into any nocturnal animal.
Roger has an Ontario Driver's License.
Goof: Under sex Roger's driver's license says female
Misspeak: Kenzi, when negotiating with Will, asks for a "return of the percentage" instead of a "percentage of the return".