John Doman

as Gee 'Gee-Pop' O'Brien(8 eps)

as Robert(1 ep)

as Richard Perrick(1 ep)

as Dog with Bucket Hat (voice)(12 eps)

as Robert Silas(4 eps)

as John Mitchell

as Father Lux

as Alan Burke(1 ep)

as Jonah Vogelbaum(3 eps)

as Tommy

as Guy Dan(1 ep)

as John 'Gip' Gipsky

as Roger Reinhart(1 ep)

as Bernie Segal

as John McCleary

as Walt

as Aidan Moran(10 eps)

as Bruce Butler(14 eps)

as Carmine Falcone(19 eps)

as CIA Director Dennis Ellerman(2 eps)

as Mitch Valentino

as Charles Eddis(1 ep)

as Councilman Slessinger(1 ep)

as Victor Moretti(1 ep)

as Rodrigo Borgia(38 eps)

as Ross Garrison(10 eps)

as Vincent Quinn(1 ep)

as Jerry

as Dysert

as Self

as Patrick 'Paddy' Doyle(7 eps)

as Oliver Cardiff(1 ep)

as Jim Boone

as Phillips

as Self

as Self

as Lt. William A. Rawls

as Walter Kendrick(10 eps)

as Self

as Bill Cowley(2 eps)

as Coach Colasanti

as Chief MacSwain

as John Davidson

as Eugene Kale(1 ep)

as Tim Grace(1 ep)

as Father Pete

as Dr. Baron

as Self – Narrator (voice)

as Paul Finnegan

as Dad

as Driver

as Lieutenant Cheney(1 ep)

as Hayden Mills(1 ep)

as Henderson

as William Rawls(60 eps)

as Stephen Leeds

as Roy Markham(1 ep)

as Admiral Langlett

as Judge Slater(2 eps)

as Russian Godfather

as Mike Mollinax(1 ep)

as Dan Lattimer(1 ep)

as Munch's Informant(1 ep)

as Rod Franklin(1 ep)

as William Rand(1 ep)

as Ralph(1 ep)

as Ralph Gigante Sr.

as Cain's Friend

as Governor Marx(1 ep)

as Andy Berg

as Supervisor Hartley

as Lassaro's Aide

as Edward Galson(4 eps)

as Detective Michael Finley(1 ep)

as Testifying Detective(1 ep)

as Officer Michael Finlay(1 ep)

as U.S. Senator

as Airplane Captain / White House Representative (voice)

as Plainclothes Cop 2

as Construction Foreman

as Carl Deraad(10 eps)

as Lenaris Holem(1 ep)

as Mr. Riggs(1 ep)

as Bailiff(2 eps)

as Sergeant Frank Gottlieb(1 ep)

as Mr. Stephens(1 ep)

as Howard Ridgeway(1 ep)

as Jim Gilles(1 ep)