Joe Mantegna David Rossi Actor Paget Brewster Emily Prentiss Actor Matthew Gray Gubler Dr. Spencer Reid Actor, Director 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 Madeline Carroll Ally Macready Guest Star Breana Raquel Bethany Wilson Guest Star Brighton Sharbino Chelsea Davis Guest Star Josh Stewart Will LaMontagne Jr. Guest Star Mekhai Andersen Henry LaMontagne Guest Star Rob Poynter Tom Davis Guest Star Dan Gauthier Ethan Howard Guest Star Bradley Upton Jennifer's father Guest Star Keana Marie Riley Taylor Guest Star Cameron Johnson Steve Nelson Guest Star Yuri Brown Nurse Guest Star DeDe Drake Sandy Guest Star Will Green Brent Guest Star Carlos Ragas The Tall Man Guest Star Madeline Blake Roslyn Jareau Guest Star Cherish Hughes Young Jennifer Guest Star Phoenix Andersen Michael LaMontagne Guest Star Mark Gordon Executive Producer Erica Messer Executive Producer Breen Frazier Executive Producer, Writer