Liev Schreiber

Chuck Wepner

Ron Perlman

Al Braverman

Jason Jones

Arty

Joe Starr

Manny

Jim Gaffigan

John Stoehr

William Hill

Paddy

Naomi Watts

Linda Wepner

Elisabeth Moss

Phyllis Wepner

Sadie Sink

Kimberly

Morgan Spector

Sylvester Stallone

Michael Rapaport

John Wepner

Wass Stevens

Johnny Dicesare

Leslie Lyles

Charlotte

Catherine Corcoran

Sandy

Philippe Falardeau

Director

Pooch Hall

Muhammad Ali

Velizar Binev

Referee

Michael Cristofer

Writer

Kelvin Hale

Charlie Polite

Emil Tonev

Fight Ref

Melo Ludwig

Young Kimberly (aged 6)

Megan Sikora

Flo Wepner

Georgia X. Lifsher

Rachel

Georgi Georgiev

Mouthy

Mihail Nedyalkov

Nerk

Liv Rooth

Platinum Blonde