David Strathairn
William Flynn
Ray Wise
A. Mitchell Palmer
Sam Witwer
Eugenio Ravarini
Alessandro Mario
Bartolomeo Vanzetti
Edoardo Ballerini
Carlo Tresca
Mariana Klaveno
Louise Berger
Sean McNall
J. Edgar Hoover
Mariann Mayberry
Emma Goldman
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
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
Paul Bertling
Male Opera Singer
Jon Maciasowicz
Beltrando Brini
Richard Ganoung
Mr. Johnson
Vito Roppo
Injured Striker
Jeff DuJardin
Reporter Tom Benton
Darren Elliot Fulsher
Worker
Ivo Nandi
Additional Voices (voice)