Chuck Wepner

Liev Schreiber

Phyliss

Elisabeth Moss

Linda Wepner

Naomi Watts

Al Braverman

Ron Perlman

John Stoehr

Jim Gaffigan

John Wepner

Michael Rapaport

Stallone

Morgan Spector

Muhammed Ali

Pooch Hall

Johnny Dicesare

Wass Stevens

Sylvestor Stallone

Jason Jones

Young Kimberly

Melo Ludwig

Paddy

William Hill

Kimberly Age 11

Sadie Sink

Johnny Dicesare

Kelvin Hale

P.A.

Jen Ponton

Charlie Polite

Megan Sekora

Fight Ref

Catherine Corcoran

Flo Wepner

Megan Sikora

Bobby Van

Ivan Martin

Flo Wepner

Emil Tonev

Paddy Flood

Wiliam Hill

Rachel

Georgia X. Lifsher

Roberta

Zina Wilde

Mouthy

Georgi Georgiev

Nerk

Mihail Nedyalkov

Platinum Blonde

Liv Rooth

Manny

Joe Starr

Charlotte

Leslie Lyles

Referee

Velizar Binev

Warden

Robert C. Kirk

Jimmy the Cop

J.J. Kandel

Jimmy the Cop

J.J. Kandell

Police Captain

Rick Zahn

Penelope

Marissa Rose Gordon

Dave

Jonathan Wilde

Joe

Mark Borkowski

Sports Interviewer

Charlie Meany

Lil

Lucinda Rogers

Maitre'D

Anthony J. Gallo

16mm Cameraman (uncredited)

Shade Rupe

Terry Hinke

Genko Ivanov

Hotel Valet (uncredited)

Leonard Zimmerman

Goomba Partier

Paul Mecurio