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 Alan Davidson Guest Star David Carrera Guest Star Robinne Lee Guest Star Andrew Caple-Shaw Guest Star Sam Wellington Guest Star Kenneth Meseroll Guest Star Amanda Carlin Guest Star Susan Beaubian Guest Star Matthew Yang King Guest Star Ajay Mehta Guest Star Catherine O'Connor Guest Star J. Paul Boehmer Guest Star Gibby Brand Guest Star Ridley Scott Executive Producer Tony Scott Executive Producer Alex Gansa Executive Producer Brooke Kennedy Executive Producer Davis Guggenheim Director Cheryl Heuton Writer Nicolas Falacci Writer