Liev Schreiber

Chuck Wepner

Naomi Watts

Linda Wepner

Elisabeth Moss

Phyllis Wepner

Ron Perlman

Al Braverman

Jim Gaffigan

John Stoehr

Michael Rapaport

John Wepner

Pooch Hall

Muhammad Ali

Morgan Spector

Sylvester Stallone

Jason Jones

Arty

William Hill

Paddy

Wass Stevens

Johnny Dicesare

Megan Sikora

Flo Wepner

Georgia X. Lifsher

Rachel

Catherine Corcoran

Sandy

Sadie Sink

Kimberly

Georgi Georgiev

Mouthy

Leslie Lyles

Charlotte

Velizar Binev

Referee

Robert C. Kirk

Warden

Jen Ponton

Stallone's PA