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 Eddie Velez Guest Star Max Martini Guest Star Kevin Fry Guest Star Chad L. Coleman Guest Star Brent Briscoe Guest Star Ryan McConville Guest Star Christina Cox Guest Star Jennifer Westfeldt Guest Star Anthony DeSando Guest Star John Del Regno Guest Star Jim Wilkey Guest Star Julie Mann Guest Star Napiera Groves Guest Star Ridley Scott Executive Producer Tony Scott Executive Producer Alex Gansa Executive Producer Brooke Kennedy Executive Producer Martha Mitchell Director Andrew Dettman Writer