Mark Wahlberg
Narrator (voice)
Acting
Arturo Gatti
Self (Archival Footage)
Acting
Micky Ward
Self
Acting
Larry Merchant
Self
Acting
Michael Buffer
Self
Acting
Ida Gatti
Self
Acting
Sofia Gatti
Self
Acting
Charlene Ward
Self
Acting
Dicky Eklund
Self
Acting
Lou DiBella
Self
Acting
Frank Cappuccino
Self
Acting
Ron Borges
Self
Acting
Jim Lampley
Self
Acting