Tom Hanks as Michael Sullivan

Tyler Hoechlin as Michael Sullivan, Jr.

Paul Newman as John Rooney

Jude Law as Harlen Maguire

Daniel Craig as Connor Rooney

Stanley Tucci as Frank Nitti

Jennifer Jason Leigh as Annie Sullivan

Liam Aiken as Peter Sullivan

Dylan Baker as Alexander Rance

Ciarán Hinds as Finn McGovern

David Darlow as Jack Kelly

Kevin Chamberlin as Frank the Bouncer

Doug Spinuzza as Calvino

Kurt Naebig as Tenement Murderer

Duane Sharp as Father Callaway

Michael Sassone as Motel Manager

Roderick Peeples as Nitti's Henchman

Keith Kupferer as Nitti's Henchman

Lara Phillips as Ruby the Waitress

Mina Badie as Betty the Waitress

Heidi Jayne Netzley as Prostitute

Lance Baker as Crime Scene Policeman

Nicolas Cade as Boy Michael Fights

John Judd as Rooney's Business Associate

Kerry Rossall as Rooney's Henchman

Ian Barford as Rooney's Henchman

Rob Maxey as Drug Store Owner

Maureen Gallagher as Michael's Teacher

Diane Dorsey as Aunt Sarah

Harry Groener as Mr. McDougal

Peggy Roeder as Farmer Virginia

James Greene as Farmer Bill

Anthony LaPaglia as Al Capone (uncredited)

Paul Turner as Finn McGovern's Henchman

Craig Spidle as Rooney's Henchman

Jack Callahan as Rooney's Business Associate