Kevin Costner

Character: Eliot Ness

Sean Connery

Character: Jim Malone

Robert De Niro

Character: Al Capone

Charles Martin Smith

Character: Oscar Wallace

Andy García

Character: George Stone

Richard Bradford

Character: Mike

Jack Kehoe

Character: Payne

Brad Sullivan

Character: George

Billy Drago

Character: Nitti

Patricia Clarkson

Character: Ness' Wife

Vito D'Ambrosio

Character: Bowtie Driver

Steven Goldstein

Character: Scoop

Peter Aylward

Character: Lt. Anderson

Don Harvey

Character: Preseuski

Robert Swan

Character: Mountie Captain

John J. Walsh

Character: Bartender

Del Close

Character: Alderman

Colleen Bade

Character: Mrs. Blackmer

Greg Noonan

Character: Rangemaster

Sean Grennan

Character: Cop Cousin

Larry Viverito Sr.

Character: Italian Waiter

Kevin Michael Doyle

Character: Williamson

Mike Bacarella

Character: Overcoat Hood

Michael P. Byrne

Character: Ness' Clerk

Kaitlin Montgomery

Character: Ness' Daughter

Aditra Kohl

Character: Blackmer Girl

Charles Keller Watson

Character: Reporter

Larry Brandenburg

Character: Reporter

Chelcie Ross

Character: Reporter

Tim Gamble

Character: Reporter

Pat Billingsley

Character: Bailif

Sam Smiley

Character: Bailiff

John Bracci

Character: Fat Man

Jennifer Anglin

Character: Woman in Elevator

Eddie Minasian

Character: Butler

Anthony Mockus Sr.

Character: Judge

Will Zahrn

Character: Defense Attorney

Louie Lanciloti

Character: Barber

Vince Viverito

Character: Bodyguard

Valentino Cimo

Character: Bodyguard

Joe Greco

Character: Bodyguard

Clem Caserta

Character: Bodyguard

Bob Martana

Character: Bodyguard

Joseph Scianablo

Character: Bodyguard

George S. Spataro

Character: Bodyguard

Melody Rae

Character: Union Station Woman

Robert Miranda

Character: Gunned Head

James Guthrie

Character: Pagliacci

Basil Reale

Character: Hotel Clerk

John Barrowman

Character: Street Person (uncredited)

Jimmy Borto

Character: Court Reporter (uncredited)

Stephen Burrows

Character: Hoodlum (uncredited)

Ernest Capponi

Character: Gangster at Round Table (uncredited)

Justin De Rosa

Character: Capone's Hitman (uncredited)

Eddy Donno

Character: Capone's Hitman (uncredited)

Jack Fitzstephens

Character: Train Announcer (uncredited)

Collin Hymes

Character: Baby in Carriage (uncredited)

Clifton James

Character: District Attorney (uncredited)

Matt Johnston

Character: Union Station Bodyguard (uncredited)

Robert Minkoff

Character: Man (uncredited)

William Rossman

Character: Gangster (uncredited)