Zac Efron as Kevin Von Erich

Jeremy Allen White as Kerry Von Erich

Harris Dickinson as David Von Erich

Stanley Simons as Mike Von Erich

Holt McCallany as Fritz Von Erich

Maura Tierney as Doris Von Erich

Lily James as Pam Adkisson

Michael Harney as Bill Mercer

Aaron Dean Eisenberg as Ric Flair

Kevin Anton as Harley Race

Scott Innes as Ring Announcer

Cazzey Louis Cereghino as Bruiser Brody

Maxwell Jacob Friedman as Lance

Brady Pierce as Michael Hayes

Ryan Nemeth as Gino Hernandez

Jim Gleason as Doctor

Chavo Guerrero Jr. as The Sheik Ed Farhat

Garrett Hammond as Sportatorium Referee #1

Michael Papajohn as Olympic Coach

Jullian Dulce Vida as Sound Man

Leo Franich as Ross Adkisson

Sam Franich as Marshall Adkisson

Grady Wilson as Young Kevin

Valentine Newcomer as Young David

Silas Mason as The Fabulous Freebirds

Devin Imbraguglio as The Fabulous Freebirds

James Beard as Sportatorium Referee #2

Kristina Kingston as Teller

Brian Hite as Sportatorium Referee #3

Chelsea Edmundson as Tania

Romeo Newcomer as Jack Jr.

Terry J. Nelson as Jerry

Cassidy O'Reilly as Training Partner (uncredited)

Brett Beoubay as Fritz's Friend (uncredited)

Mike Dell as 1950s Referee (uncredited)

Timothy Hinrichs as Photographer (uncredited)

Ernest Marsh as Cowboy (uncredited)

Dane Alexander Peplinski as Photographer (uncredited)

Ronnie Yelverton as Wrestling Fan (uncredited)