- 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 — S5E23
Episode: Our Darkest Hour
Air Date: 2010-05-26
Runtime: 41 min
Overview
A series of rolling blackouts in the city of Los Angeles lures a serial killer out of hiding, giving him renewed opportunities to continue his killing spree.