Joe Mantegna David Rossi Actor Paget Brewster Emily Prentiss Actor Matthew Gray Gubler Dr. Spencer Reid Actor A.J. Cook Jennifer Jareau Actor Aisha Tyler Dr. Tara Lewis Actor Kirsten Vangsness Penelope Garcia Actor Adam Rodriguez Luke Alvez Actor Daniel Henney Matt Simmons Actor Josh Stewart Will LaMontagne Jr. Guest Star Bodhi Elfman Peter Lewis Guest Star Tracie Thoms Monica Walker Guest Star Andrew Pifko The Doctor Guest Star Diahnna Nicole Baxter ER Doctor Guest Star James Levine Howard Nathanson Guest Star DeRon Munroe Eli Walker Guest Star Lauryn Hardy Maya Walker Guest Star Dean Schaller Shirtless Man Guest Star Mark Gordon Executive Producer Erica Messer Executive Producer Breen Frazier Executive Producer, Writer Glenn Kershaw Director