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 Aunjanue Ellis-Taylor Ivy Kirk Guest Star Matthew Morrison Blaine Cleary Guest Star Jenna Gavigan Josie Biggs Guest Star Andrea Anders Rena Vining Guest Star Michael Eric Strickland Malcolm Tucci Guest Star Robert Dolan Officer Arnold Owens Guest Star William Langan Chief Robaire Guest Star Cornell Womack Bill Mallard Guest Star Rob Kahn Officer Chris Butler Guest Star Bill Tangradi Officer Ronald Karnofsky Guest Star Julie Dretzin Karen Griffiths Guest Star Nicole Dalton Polly Turnage Guest Star Martin Kildare John Biggs Guest Star Deborah Strang Martha Biggs Guest Star Ridley Scott Executive Producer Tony Scott Executive Producer Alex Gansa Executive Producer Brooke Kennedy Executive Producer David W. Zucker Executive Producer Julie Hebert Writer, Director