Rob Morrow Senior Special Agent Don Eppes Actor David Krumholtz Prof. Charlie Eppes Actor Peter MacNicol Prof. Larry Fleinhardt Actor Judd Hirsch Alan Eppes Actor Sabrina Lloyd Actor Alimi Ballard Agent David Sinclair Actor Elizabeth Connors Guest Star Max Van Ville Guest Star CCH Pounder Guest Star Anjul Nigam Guest Star J.K. Simmons Guest Star Marita Geraghty Guest Star Rainn Wilson Guest Star James Shanklin Guest Star Dean Shelton Guest Star Tanner Richie Guest Star Cody Estes Guest Star Eliza Pryor Nagel Guest Star Kieren van den Blink Guest Star Ridley Scott Executive Producer Tony Scott Executive Producer Alex Gansa Executive Producer Brooke Kennedy Executive Producer David Von Ancken Director Jeff Vlaming Writer