Guest Stars Josh Stewart as Detective William LaMontagne Jr. Jayne Atkinson as FBI Section Chief Director Erin Strauss Jane Lynch as Diana Reid Kelly Frye as Kristy Simmons C. Thomas Howell as George Foyet Gail O'Grady as Krystall Richards Michael Mosley as Everett Lynch Beth Riesgraf as Maeve Donovan Stephen Bishop as SSA Andrew Mendoza Page Leong as Dr. Kiyomura Co Starring Gina Garcia Sharp as Agent Gina Sharp André G. Ellingson as Agent Smith