Jean de Segonzac Director Andre Braugher Frank Pembleton Actor Richard Belzer Det. John Munch Actor Daniel Baldwin Beau Felton Actor Ned Beatty Det. Stanley "The Big Man" Bolander Actor Reed Diamond Mike Kellerman Actor Giancarlo Esposito Officer Mike Giardello Actor Michelle Forbes Dr. Julianna Cox Actor Peter Gerety Lieutenant Stuart Gharty Actor Isabella Hofmann Megan Russert Actor Željko Ivanek ASA Ed Danvers Actor Clark Johnson Det. Meldrick Lewis Actor Yaphet Kotto Al "Gee" Giardello Actor Melissa Leo Sgt. Kay Howard Actor Toni Lewis Det. Terri Stivers Actor Michael Michele Det. Rene Sheppard Actor Max Perlich J.H. Brodie Actor Jon Polito Steve Crosetti Actor Kyle Secor Det. Tim Bayliss Actor Jon Seda Det. Paul Falsone Actor Callie Thorne Det. Laura Ballard Actor Jason Priestley Det. Robert Hall Actor Ed Begley Jr. Dr. Victor Ehrlich Actor Eamonn Walker Eric Thomas James Actor Tom Fontana Writer, Executive Producer Eric Overmeyer Writer James Yoshimura Writer Barry Levinson Executive Producer Jim Finnerty Executive Producer