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 Zaiden James as Young Mike Yanna Buttons as Young Denise Noah Adedjouma as Bruised Ribs Jaren Mitchell as Curtis Kaden Amari Anderson as Mike's Friend Javon Jomo Jones as Juvenile Prisoner #2 Jahmarley Isaiah Smith as Bully #2 Jonathan Ridore as Bully #1 Bennett Saltzman as Cracked Teeth Ethan Barrett as 10 Year Old Mike Drew W. Williams as Jose Torres Kenneth Dion Johnson as Gary Flowers Iroko Anyogu as Floyd Patterson Nyleek Moore as Bigger Older Boy Camden Coley as Young Barkim Mike Harkins as Specialist Leon Outlaw Jr. as Juvenile Prisoner #1 Milton Crosby as TV Host Tre Jamison as Tough Kid #2 DeShawn Harold Mitchell as Eddie Joshua Garcia as Tough Kid #1