David Strathairn
— William Flynn
Ray Wise
— A. Mitchell Palmer
Sam Witwer
— Eugenio Ravarini
Alessandro Mario
— Bartolomeo Vanzetti
Edoardo Ballerini
— Carlo Tresca
James Madio
— Nicola Sacco
Mariana Klaveno
— Louise Berger
Sean McNall
— J. Edgar Hoover
Mariann Mayberry
— Emma Goldman
Paul Iacono
— Tony Cafiero
Andrea Grano
— Concetta Cafiero
Mario Di Donato
— Vincenzo Brini
David Darlow
— John D. Rockefeller Sr.
Gino Sciortino
— Carlo Valdinoci
Tom Groenwald
— Detective Frank Swanson
Gary Houston
— Frederic C. Howe
Mike Bacarella
— Firmino Gallo
Marco Garcia
— Andrea Salsedo
Michael Herold
— Pastor
Daniel Mooney
— Luigi Galleani
Kara Zediker
— Alfonsina Brini
Jonathan Wainwright
— Postal Clerk
Max Scharrer
— Santino Gallo
James Pickering
— Judge Thayer
Arturo De La Mesa
— Mario Buda
David Crane
— Reporter #1
Adam Jennings
— Reporter #2
Scott Annala
— Reporter #2
Tom Bruno
— Worker #1
Paul Bertling
— Male Opera Singer