Sylvester Stallone
Ray Breslin
Dave Bautista
Trent DeRosa
Jesse Metcalfe
Luke Walken
50 Cent
Hush
Huang Xiaoming
Shu Ren
Wes Chatham
Jaspar Kimbral
Titus Welliver
The Zookeeper
Tyron Woodley
Akala
Chen Tang
Yusheng Ma
Tyler Jon Olson
Moe
Shea Buckner
Larry
Jaime King
Abigail Ross
Lydia Hull
Jules
Ashley Cusato
Mary
Yifan Luo
Red
Rowan Bousaid
MDLF Leader
Baylee Curran
Alice
Zeeko Zaki
MDLF Soldier
Vincent Young
Curly
Eric Newnham
Lead Executive
Mark Hicks
Limerick
Pete Wentz
Bug
Ming Xi
Qin Fan
Roman Mitichyan
Bookstore Clerk
Gordon Michaels
Leon Grassi
Jamie Eddy
Waitress
Joseph Blake Menzel
Carl
Joe Gelchion
Frank
Mike McColl
Galileo (voice)
Corey Winston
Odogwu, Nigerian Crew (uncredited)
Eric Bendross
Hades Prisoner (uncredited)
David Dunston
Hades Prisoner (uncredited)
Timothy T. Miller
Hades Prisoner (uncredited)
Mike Leeder
Prisoner (uncredited)