- Joe Mantegna (David Rossi)
- Paget Brewster (Emily Prentiss)
- Adam Rodriguez (Luke Alvez)
- Kirsten Vangsness (Penelope Garcia)
- A.J. Cook (Jennifer Jareau)
- Aisha Tyler (Dr. Tara Lewis)
- Zach Gilford (Elias Voit)
- Ryan-James Hatanaka (Tyler Green)
Criminal Minds — S9E4
Episode: To Bear Witness
Air Date: 2013-10-16
Runtime: 42 min
Overview
The BAU meets their new section chief, Mateo Cruz, who, unbeknownst to them, shares a long work history with JJ. Cruz joins the team as they comb the streets of Baltimore for an unsub who leaves victims unable to communicate.