Tony Jaa as Kham

Petchtai Wongkamlao as Seargent Mark

Marrese Crump as No. 2

JeeJa Yanin as Ping Ping

RZA as Mr. LC

Rhatha Phongam as No. 20

Jawed Berni as No. 85

Robert Peoples as Fighter Number 19

Kazu Patrick Tang as Fighter Number 18

Eddie Ruiz as Latino Fighter #1

Eakasit Thairaat as Katana Commissioner

Pornchai Hongrattanaporn as Big Job / No. 13

David Ismalone as No. 24

Theerada Kittisiriprasert as Sue Sue

Sophon Phoonsawat as No. 45

Boonsong Nakphoo as No. 14

Pongsit Pisittakarn as The Motopunk with Helmet

Jaraspong Suraswadi as Google

Tos Thospol Sirivivat as Clinical Forensics Investigator