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 Jeffrey D. Sams Guest Star Navi Rawat Amita Ramanujan Guest Star Keith Szarabajka Guest Star Robert Thomas Preston Guest Star Colette Kilroy Guest Star Ruben Garfias Guest Star Randy Kovitz Guest Star Caryn West Guest Star George Gerdes Guest Star Lyle Kanouse Guest Star Benjamin Salisbury Guest Star Sam Ayers Guest Star Lou Antonio Guest Star Robinne Lee Guest Star Ridley Scott Executive Producer Tony Scott Executive Producer Alex Gansa Executive Producer Brooke Kennedy Executive Producer Liz Friedman Writer