- Katherine McNamara as Clary Fairchild
- Dominic Sherwood as Jace Herondale
- Alberto Rosende as Simon Lewis
- Matthew Daddario as Alec Lightwood
- Emeraude Toubia as Isabelle Lightwood
- Alisha Wainwright as Maia Roberts
- Isaiah Mustafa as Luke Garroway
- Harry Shum Jr. as Magnus Bane
- The title "Beati Bellicosi" is the slogan of the werewolf organization Praetor Lupus.
- Show writer Bryan Q. Miller used the words "the blood" to tease the episode.
- ↑ ‘Shadowhunters’ To End After 3 Seasons, Freeform Orders 2-Hour Finale To Wrap Series In 2019 | Deadline
- ↑ http://web.isan.org/template/1.2/publicSearch.do?code=0000-0004-1432-002E&nav=1
- ↑ 3.0 3.1 https://www.imdb.com/title/tt7365380/fullcredits/?ref_=tt_ov_st_sm
- ↑ 3x09: Familia Ante Omnia
- ↑ "313 the blood" Bryan Q. Miller on Twitter