Michael Pitt

Mike Flannigan

Ron Perlman

Stevie

Nicolette Robinson

Jessica

Joe Pesci

Mike's Father

John Magaro

Patrick

Steve Buscemi

Mike's Uncle

Anatol Yusef

Saul

Phillip Johnson Richardson

Jasper Brooks

Charlize Orr

Baby

Ryan Bostedo

Robert James

Kaili Vernoff

Tracy

Jordyn Rax

Julia

Tim Gallin

Referee

Leo Solomon

Interviewer / Press

Eugene Solfanelli

Frank

Milan Marsh

Sam

Billy Griffith

Bouncer

Thomas E. Johnson

Ringside Patron

Holden Goodman

Isa Wnek

Catholic School Girl

Tim Gallin

Referee

Morgan Craft

Ring Girl

Joy Decker

Ringside Socialite Fan

Dennis Jay Funny

Paramedic

Amr El-Bayoumi

Doctor

Nahar Aminov

Dry Cleaner's Wife

David Negri

Judge

Joseph Di Bari

Upper Class Match Attendee

Charlize Orr

Mike's & Jessica's Baby

Beckett Guest

Young Mike Flannigan

Chasity Orr

Mike's & Jessica's Baby

Darlene Dues

Sandy

Dina Khoury

Ring Girl

Kat Elizabeth Williams

Sasha

Greg Dubin

Ring Announcer

Zoe Tactuk

Young Jessica

Eric Kelly

Assistant Coach

Sofia Stefan

Waitress

Jason Latief Anderson

Boxing Attendee (uncredited)

Roger Brenner

NY EMS Paramedic (uncredited)

Rich Dubin

Priest (uncredited)

Charles T. Massey

Cameraman (uncredited)