Paul Attanasio Creator Richard Belzer Actor Andre Braugher Actor Clark Johnson Actor, Director Yaphet Kotto Actor, Director Melissa Leo Actor Kyle Secor Actor, Director Reed Diamond Actor Michelle Forbes Actor Max Perlich Actor Ami Brabson Guest Star Toni Lewis Guest Star Isabella Hofmann Megan Russert Guest Star Clayton LeBouef Actor Elijah Wood Guest Star Joan Chen Elizabeth Wu Guest Star Barry Levinson Guest Star, Executive Producer Erik Dellums Guest Star Walt MacPherson Actor Eric Stoltz Drew Kellerman Guest Star Polly Holliday Guest Star Kevin Hooks Director Jean de Segonzac Executive Producer, Director Tom Fontana Executive Producer, Writer Michael Fields Director Barbara Kopple Director James Yoshimura Writer Uli Edel Director Peter Medak Director Julie Martin Writer Leslie Libman Director Tim McCann Director Kenneth Fink Director Larry Williams Director