Mike Flannigan

Michael C. Pitt

Mike's Uncle

Steve Buscemi

Mike's Father

Joe Pesci

Stevie

Ron Perlman

Jessica

Nicolette Robinson

Patrick

John Magaro

Kaili Vernoff

Anatol Yusef

Tracy

Kaili Vernoff

Julia

Jordyn Rax

Jasper Brooks

Phillip Johnson Richardson

Tony

Joe Lisi

Bouncer

Billy Griffith

Sam

Milan Marsh

Referee

Tim Gallin

Doctor

Amr El-Bayoumi

Paramedic

Dennis Jay Funny

Frank

Eugene Solfanelli

Interviewer/Press

Leo Solomon

Charles Massey

Holden Goodman

Ringside Patron

Thomas E. Johnson

Dry Cleaner's Wife

Nahar Aminov

Ringside Socialite Fan

Joy Decker

Upper Class Match Attendee

Joseph Di Bari

Catholic School Girl

Isa Wnek

Young Mike Flannigan

Beckett Guest

Robert James

Ryan Bostedo

Judge

David Negri

Sandy

Darlene Dues

Sasha

Kat Elizabeth Williams

Ring Girl

Dina Khoury

Baby

Charlize Orr

Ring Announcer

Greg Dubin

Mike's & Jessica's Baby

Chasity Orr

Young Jessica

Zoe Tactuk

Ring Girl

Morgan Craft

Assistant Coach

Eric Kelly

Waitress

Sofia Stefan

Boxing Attendee (uncredited)

Jason Latief Anderson

Cameraman (uncredited)

Charles Massey