Suggestions by @mcorkrean

Eric Allan Kramer

as Carter Baum in Public Enemies (1999)

Jon Favreau

as Gilbert Catena in Public Enemies (1999)

Bruce McGill

as Frank Nitti in Public Enemies (1999)

Cliff Curtis

as Phil D'Andrea in Public Enemies (1999)

Jeremy Piven

as Alvin Karpis in Public Enemies (1999)

Colm Feore

as Charles Makley in Public Enemies (1999)

William Petersen

as Tommy Carroll in Public Enemies (1999)

Xander Berkeley

as Harry Pierpont in Public Enemies (1999)

Sean Bean

as John Hamilton in Public Enemies (1999)

Jason Isaacs

as George Nelson in Public Enemies (1999)

Dennis Haysbert

as Herbert Youngblood in Public Enemies (1999)

Everett McGill

as Charles Winstead in Public Enemies (1999)

William Baldwin

as Homer Van Meter in Public Enemies (1999)

Gary Oldman

as J. Edgar Hoover in Public Enemies (1999)

Amy Brenneman

as Billie Frechette in Public Enemies (1999)

Russell Crowe

as Melvin Purvis in Public Enemies (1999)

Kevin Costner

as John Dillinger in Public Enemies (1999)

Billy Campbell

as Clyde Tolson in Public Enemies (1989)

Joely Richardson

as Carol Slayman in Public Enemies (1989)

Harve Presnell

as Walter Dietrich in Public Enemies (1989)