The shooting of mayoral candidate Al Giardello (Yaphet Kotto) brings together the squad's former and current detectives to find the assailant. Pembleton: Andre Braugher. Felton: Daniel Baldwin. Bolander: Ned Beatty. Munch: Richard Belzer. Kellerman: Reed Diamond. Mike Giardello: Giancarlo Esposito. Dr. Cox: Michelle Forbes. Gharty: Peter Gerety. Russert: Isabella Hofmann. Danvers: Zeljko Ivanek. Lewis: Clark Johnson. Howard: Melissa Leo. Stivers: Toni Lewis. Sheppard: Michael Michele.