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 Navi Rawat Amita Ramanujan Guest Star Sarah Wayne Callies Guest Star Geoffrey Rivas Guest Star Michole Briana White Guest Star Jennifer Carta Guest Star Vince Deadrick Sr. Guest Star James Leo Ryan Guest Star Victor Raider-Wexler Guest Star Dale Dickey Guest Star Melanie Lora Guest Star David Figlioli Guest Star Marcus Chait Guest Star Troy Argall Guest Star Mel Winkler Guest Star Robert Mammana Guest Star Ridley Scott Executive Producer Tony Scott Executive Producer Alex Gansa Executive Producer Brooke Kennedy Executive Producer Martha Mitchell Director Wendy West Writer