Joe Mantegna David Rossi Actor A.J. Cook Jennifer "JJ" Jareau Actor Kirsten Vangsness Penelope Garcia Actor Aisha Tyler Dr. Tara Lewis Actor Adam Rodriguez Luke Alvez Actor Paget Brewster Emily Prentiss Actor Zach Gilford Elias Voit Actor Nicole Pacent Rebecca Actor Mark Gordon Executive Producer Erica Messer Executive Producer Breen Frazier Executive Producer