Robert De Niro

(Billy "The Kid" McDonnen)

Sylvester Stallone

(Henry "Razor" Sharp)

Kevin Hart

(Dante Slate Jr.)

Kim Basinger

(Sally Rose)

Alan Arkin

(Louis "Lightning" Conlon)

Jon Bernthal

(BJ)

Camden Gray

(Trey)

LL Cool J

(Frankie Brite)

Carrie Lazar

(Nora)

Todd Truley

(Dr. Camare)

Paul Ben-Victor

(Lou Camare)

Mykel Shannon Jenkins

(Shmoo)

Anthony Anderson

(Mr. Sandpaper Hands)

Han Soto

(Kenji)

Rich Little

(Boxing Announcer)

Jim Lampley

()

Barry Primus

(Joey the Bartender)

Anthony Bean

(Dante Slate Sr.)

Ireland Basinger Baldwin

(Young Sally)

Mason Mackie

(Young Dante)