Inspector Dubbins

Fr. Demetri

Detective Irons

Frank

Costello

Speaker – 7th Circle: The Suicides

Deputy Inspector General Dorian (1 episode)

Dick (1 episode)

Octavio

Frank Rome

Marsh (3 episodes)

Giovanni

Gil Clancy

Nicky Gandolfo

Vince (1 episode)

Chuck Fletcher

Professor Shaw

Teamsters Client (1 episode)

Artie Stein

Self (1 episode)

Venuti (1 episode)

Billy

The Bookkeeper

Ralphie

Angelo Battaglia

Hal Morton

Jerry Pierce (voice) (uncredited) (1 episode)

Jerry Pierce (uncredited) (4 episodes)

Larry Stillwell

Jack

Detective Baldwin

Luca Pantoni

Edward Bullock (2 episodes)

Carlo Androssani (1 episode)

Tracey Thayer

Sonny (1 episode)

Hank

Detective Steptoe

Andrew Whitmore (8 episodes)

Bob Susino (6 episodes)

Secretary of Defense Marcus Trent (3 episodes)

Timms

Colonel Lomax (1 episode)

Edward Rhodes

Eric Ford (8 episodes)

Santino Scarpatti (1 episode)

Colonel Krewiss

Wes Christian

Deputy Director Davis (2 episodes)

Arthur

Johnny Torrio

Thomas Bratton (5 episodes)

Max Zangrilli (1 episode)

Jeff Dunn (1 episode)

Deputy Commissioner Patrick Fletcher (1 episode)

CIA Director

David's Boss

Wallace Tuttle (1 episode)

Sergeant Black (1 episode)

Doug

Inspector Pearson

Nick Grimaldi

Option One CEO

Bruce Davies

Phil Page

William Taylor

Commander

Johnson

Councilman Rose (3 episodes)

Officer Bennett

Dick Lovecraft (2 episodes)

Detective Fred Chyre (1 episode)

John Pavel Sr. (1 episode)

Huddleston

Pete

Mr. Jones (1 episode)

Lou

Dennis Coburn (1 episode)

Police Officer Ricci

Detective Harper

Charlie Walsh (1 episode)

Dr. Phelps

Edward Rasmus (1 episode)

Elliot

Mob Boss

David

Marty Spinella (1 episode)

Doug Calder

Detective Klein

Mike

Gerry

JD Silver (1 episode)

J.D. Silver (1 episode)

Sheriff Pratt

Joe Hagan (1 episode)

Christopher Benson

Will's Father (1 episode)

Phil Sanfino (2 episodes)

Raymond Terney (13 episodes)

Louis Carmello

Alek Ravik

Nick Zappata (1 episode)

Frank Deluca (1 episode)

Poochy Poochy Guy (1 episode)

ATF Supervisor (1 episode)

Solly DeGrand

Associate Producer

Doug Dunbarton

FBI Agent Callahan (1 episode)

Captain Powell (1 episode)

Alvin Washington

Howard (1 episode)

Fletcher

Charlie Moretti (1 episode)

Conrad (1 episode)

Chief of Police

Max

Frankie Santoro / Francis Amato (1 episode)

Alex Walker

Phillips

Ethan Woods

Ethan Woods

Delgardo

Simon Bernhardt (1 episode)

Flaherty's Attorney (1 episode)

Mayor Frank Panzerella (4 episodes)

Philly Falzone (4 episodes)

Detective Kline

Wiseguy

Johnny the Gent (1 episode)

Deputy Dale Fahrnbruch

False Craig

Joe

De Leon's Mom's Boyfriend (1 episode)

Maurice Riva (1 episode)

William Foley (1 episode)

Luna Chicks Club Owner (1 episode)

Michael Green

Ross Elliot

Tom (1 episode)

James Fukes (1 episode)

Paul Koplin (2 episodes)

Medina

Rodney

Bobby Cox

Georgio

Jeffrey Scott

Bob Politto (1 episode)

Logan's Attorney (1 episode)

Stephen McCabe

Greg Christofaro (1 episode)

Derrick Stark

(2 episodes)

McNamara

Holman

Melvin Silverman (1 episode)

Scott Shea (1 episode)

Detective Tommy Cannizzaro (1 episode)

Mikey Palmice (10 episodes)

Cop

Detective

(1 episode)

Taxi Cab Driver

Agent Briggs

John (segment "Number One with a Bullet") (1 episode)

Ralph Carlos (1 episode)

James

Francis Gary Powers

Darren Bronson

Officer Tom Ames (1 episode)

Clay Gardener

Stickman (1 episode)

Dad

Engineer

Captain #2

Young Judge (uncredited)

Sitcom Joe

Brad

Mr. Black (1 episode)

Eric

Sid Murphy

Paramedic #1 (1 episode)

Ted

Raines

Ramirez

Anthony Thurman

Danny Redman (1 episode)

(1 episode)

Peter's Roommate

Michael Reece

Night Doorman

Davey Lesser (1 episode)

Guard (1 episode)

Lawyer

Man (1 episode)

Manny Snyder (3 episodes)

New Father (1 episode)

(1 episode)

Musician