Julian McMahon Jess LaCroix Actor Alexa Davalos Special Agent Kristin Gaines Actor Roxy Sternberg Sheryll Barnes Actor Keisha Castle-Hughes Hana Gibson Actor Dylan McDermott Supervisory Special Agent Remy Scott Actor Miguel Gomez Special Agent Ivan Ortiz Actor YaYa Gosselin Natalia "Tali" Skye LaCroix Actor Rebecca Brooksher Claire Scott Guest Star Matt Mercurio George Kouka Guest Star Wendy Moniz Judge April Brooks Guest Star Jennifer Landon Sarah Allen Guest Star Terry O'Quinn Byron LaCroix Guest Star Katie Wolf Betsy Scott Guest Star Tonye Patano Susan Barnes Guest Star Alana De La Garza Special Agent in Charge Isobel Castille Guest Star Migs Govea Nick Vargas Guest Star Taylor Cooper Zadie Guest Star Oriana Bustamante Ingrid Vargas Guest Star Jacob Harran George Guest Star Jay Cobian Jack Vargas Guest Star Dick Wolf Executive Producer Rene Balcer Executive Producer Arthur W. Forney Executive Producer Peter Jankowski Executive Producer Ken Girotti Director Stephanie Sengupta Writer Richard Sweren Writer Wendy West Writer Elizabeth Rinehart Writer Melissa Scrivner-Love Writer Spindrift Beck Writer D. Dona Le Writer Ticona Joy Writer David Hudgins Writer Milena Govich Director Carlos Bernard Director Jean de Segonzac Director Peter Stebbings Director Timothy Busfield Director Marc Roskin Director