Richard Romanus

as Morty

as Ben Ishak

as Uncle Robert

as Richard La Penna(3 eps)

as Dr. Paul Gavins(1 ep)

as Charlie Shivers

as Rudy Novak(1 ep)

as Penguinetti

as Anthony Travelli(1 ep)

as Dr. Ed Quiller(1 ep)

as Fahd Bahktiar

as Captain Malouf

as Chick

as Vendettii

as Lowell Grippo(1 ep)

as Harvey Michaels

as Niles Gregory

as Julio Mendez

as Frank Vincenzo

as Bailey(1 ep)

as Joey Bennett(1 ep)

as James Crowe(1 ep)

as Emir

as Frank Bigalow(1 ep)

as Nathan 'Nate' Demarest(1 ep)

as Dr. Ross Harkin

as Bordante

as Frank Silva

as Jackie Martell(1 ep)

as Tommy Tedesco(1 ep)

as Vinnie (voice)

as Jarrett

as Hassan bin Moqtadi / Det. Sal Caprio(2 eps)

as Lieutenant Charlie Gunzer(20 eps)

as Harry Canyon (voice)

as Captain Vito Lombardi(10 eps)

as Moose Joe Mastaki

as Crazy Tommy Tedesco(1 ep)

as Luis Escobar

as Weehawk (voice)

as The Killer

as Roy David(1 ep)

as Sonny Watson(1 ep)

as Raymond "Rags" Ragulia

as Sean Innes(1 ep)

as Carlo

as Det. Sam Calucci(1 ep)

as Michael Longo

as Young Fisherman

as Johnny Noah(1 ep)

as Don

as Guard(1 ep)