Guest Stars Oluniké Adeliyi as Lorna Mae Harvey Keitel as Cus D'Amato B.J. Minor as Teen Mike TJ Atoms as Barkim Ethan Dubin as Teddy Atlas Michael Drayer as Bobby Stewart Co Starring Yanna Buttons as Young Denise Zaiden James as Young Mike Joshua Garcia as Tough Kid #1 DeShawn Harold Mitchell as Eddie Jaren Mitchell as Curtis Kaden Amari Anderson as Mike's Friend Kenneth Dion Johnson as Gary Flowers Noah Adedjouma as Bruised Ribs Nyleek Moore as Bigger Older Boy Camden Coley as Young Barkim Iroko Anyogu as Floyd Patterson Mike Harkins as Specialist Leon Outlaw Jr. as Juvenile Prisoner #1 Ethan Barrett as 10 Year Old Mike Milton Crosby as TV Host Jonathan Ridore as Bully #1 Jahmarley Isaiah Smith as Bully #2 Javon Jomo Jones as Juvenile Prisoner #2 Bennett Saltzman as Cracked Teeth Tre Jamison as Tough Kid #2 Drew W. Williams as Jose Torres