Tim Roth Dr. Cal Lightman Actor Kelli Williams Dr. Gillian Foster Actor Monica Raymund Ria Torres Actor Brendan Hines Eli Loker Actor Mekhi Phifer FBI Agent Ben Reynolds Actor Rowena King Helen Dezekis Guest Star Michael Tate Booras Young Martin Guest Star Jason Dohring Martin Walker Guest Star Howard Hesseman Sam Hendricks Guest Star Ashley Johnson Valerie Guest Star Jon Kent Ethridge Andre Guest Star Glenn Morshower Col. Gorman Guest Star Roxana Brusso PTA President Walsh Guest Star Lee Garlington Mrs. Walker Guest Star Hayley Holmes Carley Guest Star Adam Kulbersh Principal Rand Guest Star David Grant Wright Dean Warren Guest Star Hayley McFarland Emily Lightman Guest Star Samuel Baum Executive Producer Brian Grazer Executive Producer Shawn Ryan Executive Producer David Ehrman Writer Vahan Moosekian Director