Nicolas Falacci Creator Cheryl Heuton Creator Rob Morrow Senior Special Agent Don Eppes Actor David Krumholtz Prof. Charlie Eppes Actor Judd Hirsch Alan Eppes Actor Alimi Ballard Agent David Sinclair Actor Peter MacNicol Prof. Larry Fleinhardt Actor Diane Farr Agent Megan Reeves Actor Navi Rawat Amita Ramanujan Actor Dylan Bruno Agent Colby Granger Actor Aya Sumika Special Agent Liz Warner Guest Star Aaron Stanford Brett Chandler Guest Star Kevin Wheatley Pete Sears Guest Star David Weidoff Josh Ryan Guest Star Peter Cambor Logan Oliver Guest Star Kelly Overton Andrea Barton , Tracy Meade Guest Star Eva Kaminsky Manager Guest Star Ronobir Lahiri Coroner Guest Star Michael Tauzin Wannabe Actor Guest Star Jack Merrill Dr. Jacobsen Guest Star Leigh Zimmerman Leslie Dennis Guest Star Steve Kazee Mark Green Guest Star Anthony Cistaro Bryce Lee Guest Star Ridley Scott Executive Producer Tony Scott Executive Producer Alex Gansa Executive Producer Brooke Kennedy Executive Producer David W. Zucker Executive Producer Andrew Dettman Writer Alex Zakrzewski Director