Joe Mantegna David Rossi Actor Matthew Gray Gubler Dr. Spencer Reid Actor Kirsten Vangsness Penelope Garcia Actor A.J. Cook Jennifer Jareau Actor Adam Rodriguez Luke Alvez Actor Aisha Tyler Dr. Tara Lewis Actor Paget Brewster Emily Prentiss Actor Damon Gupton Stephen Walker Actor Heidi Sulzman Sergeant Suzanne Kuroda Guest Star Johnny Wactor Trey Gordon , Unsub Guest Star Oleg Zatsepin Bob Joplin , Hunter Guest Star Jeffrey Markle M.E. Harry Greenberg Guest Star Matt Raimo Mike Hood Guest Star Ebboney J. Wilson Lyn Anastasio Guest Star Drew Fonteiro Jon Kreutzmann Guest Star Ian Kerch Paul McConnell Guest Star Jhey Castles Newscaster Guest Star Emmanuelle Roumain Janis Weir Guest Star Gary Kasper Samuel Gordon , The Large Man Guest Star Harold Perrineau Calvin Shaw Guest Star Phillip Garcia Luis Delgado Guest Star Alexander Harris Guard Peters , Guard 1 Guest Star Eddie Alfano Frazier Guest Star Diego Amarosa Duerson Guest Star Jeananne Goossen Fiona Duncan Guest Star Atticus Todd Chess Inmate Guest Star Mark Gordon Executive Producer Erica Messer Executive Producer Breen Frazier Executive Producer Dania Bennett Writer Diana Valentine Director