Kevin Costner Eliot Ness

Sean Connery Jim Malone

Robert De Niro Al Capone

Charles Martin Smith Oscar Wallace

Andy García George Stone

Richard Bradford Mike

Jack Kehoe Payne

Brad Sullivan George

Billy Drago Nitti

Patricia Clarkson Ness' Wife

Vito D'Ambrosio Bowtie Driver

Steven Goldstein Scoop

Peter Aylward Lt. Anderson

Don Harvey Preseuski

Robert Swan Mountie Captain

John J. Walsh Bartender

Del Close Alderman

Colleen Bade Mrs. Blackmer

Greg Noonan Rangemaster

Sean Grennan Cop Cousin

Larry Viverito Sr. Italian Waiter

Kevin Michael Doyle Williamson

Mike Bacarella Overcoat Hood

Michael P. Byrne Ness' Clerk

Kaitlin Montgomery Ness' Daughter

Aditra Kohl Blackmer Girl

Charles Keller Watson Reporter

Larry Brandenburg Reporter

Chelcie Ross Reporter

Tim Gamble Reporter

Pat Billingsley Bailif

Sam Smiley Bailiff

John Bracci Fat Man

Jennifer Anglin Woman in Elevator

Eddie Minasian Butler

Anthony Mockus Sr. Judge

Will Zahrn Defense Attorney

Louie Lanciloti Barber

Vince Viverito Bodyguard

Valentino Cimo Bodyguard

Joe Greco Bodyguard

Clem Caserta Bodyguard

Bob Martana Bodyguard

Joseph Scianablo Bodyguard

George S. Spataro Bodyguard

Melody Rae Union Station Woman

Robert Miranda Gunned Head

James Guthrie Pagliacci

Basil Reale Hotel Clerk

John Barrowman Street Person (uncredited)

Jimmy Borto Court Reporter (uncredited)

Stephen Burrows Hoodlum (uncredited)

Ernest Capponi Gangster at Round Table (uncredited)

Justin De Rosa Capone's Hitman (uncredited)

Eddy Donno Capone's Hitman (uncredited)

Jack Fitzstephens Train Announcer (uncredited)

Collin Hymes Baby in Carriage (uncredited)

Clifton James District Attorney (uncredited)

Matt Johnston Union Station Bodyguard (uncredited)

Robert Minkoff Man (uncredited)

William Rossman Gangster (uncredited)