Daniel Baldwin

as Beau Felton

Ned Beatty

as Stanley Bolander

Richard Belzer

as John Munch

Andre Braugher

as Frank Pembleton

Reed Diamond

as Mike Kellerman

Giancarlo Esposito

as Mike Giardello

Michelle Forbes

as Julianna Cox

Peter Gerety

as Stuart Gharty

Isabella Hofmann

as Megan Russert

Zeljko Ivanek

as Ed Danvers

Clark Johnson

as Meldrick Lewis

Yaphet Kotto

as Al Giardello

Melissa Leo

as Kay Howard

Toni Lewis

as Terri Stivers

Michael Michele

as Rene Sheppard

Max Perlich

as J.H. Brodie

Jon Polito

as Steve Crosetti

Kyle Secor

as Tim Bayliss

Jon Seda

as Paul Falsone

Callie Thorne

as Laura Ballard

Ed Begley Jr.

as Victor Ehrlich

Austin Pendleton

as George Griscom

Jason Priestley

as Robert Hall

Eamonn Walker

as Eric Thomas James

Ellen McElduff

as Billie Lou Munch

Reg E. Cathey

as Bernard Weeks

Walt MacPherson

as Roger Gaffney

Granville Adams

as Jeff Westby

Michael Ahl

as Police Officer

Elizabeth Berman

as Shirley

Paul M. Clary

as Officer Brown

Gary D'Addario

as Lt. Jasper

Richard DeAngelis

as Witness #1

Lanny Flaherty

as Homeless Guy

Jarvis W. George

as Witness #2

Mark Joy

as Nathan Steigler

Herb Levinson

as Dr. Lausanne

Helen Lucaitis

as Herself

Adetoro Makinde

as OR Nurse

Dina Napoli

as Herself

Karl Otter

as Crime Lab Photographer

Rhonda Overby

as Dawn Daniels

Dirk Pratt

as Police Officer

Leeanna Saunders

as Old Woman

Kurt Schmoke

as Mayor of Baltimore (as Kurt Schmoke)

Terry Serpico

as Karl Miller

Jim Simpson

as Robert Gessner

Jay Spadaro

as Officer Salermo

Irma St. Paule

as Nonna Giardello

Ralph Tabakin

as Dr. Scheiner

Brad Thoennes

as News Manager

Craig Wallace

as John Komen

Sean Whitesell

as Eli Devilbliss

Clayton LeBouef

as Colonel George Barnfather