Paul Attanasio Creator Daniel Baldwin Beau Felton Actor Ned Beatty Stanley Bolander Actor Richard Belzer Detective John Munch Actor Andre Braugher Detective Frank Pembleton Actor Clark Johnson Detective Meldrick Lewis Actor Yaphet Kotto Lieutenant Al Giardello Actor Melissa Leo Kay Howard Actor Kyle Secor Detective Tim Bayliss Actor Isabella Hofmann Megan Russert Actor Gloria Reuben Det. Theresa Walker Guest Star Tony Lo Bianco Det. Mitch Drummond Guest Star Mary B. Ward Beth Felton Guest Star Barry Levinson Director Tom Fontana Executive Producer Julie Martin Writer Jorge Zamacona Writer