Gong Myung, from "Hansan: Rising Dragon" and "Extreme Job," will play Joon Mo, the heir of Bongsan, who, like Joowoon, began as a gang and grew into a conglomerate.

Choo Young Woo, who has previously been in "Police University," "School 2021," and "Oasis," will portray Geum Son, Lee Joo Woon's son who is presently distancing himself from the gang as an incumbent prosecutor. His uncertain ambition, on the other hand, will add suspense to the drama.

Furthermore, "The Roundup: No Way Out" star Lee Bum Soo will play Shim Sung Won, the CEO of Enclean, who appears to be implicated in Gi Seok's killing and is in charge of cleaning up the crime scene that the gangs created.

Jo Han Chul of "Rebron Rich" and "Casino" will portray Sung Chul, the boss's right hand man.

Cha Seung Won, who dazzled in "Believer" and "Night in Paradise," will make a cameo as Mr. Kim, who exists to facilitate the coexistence of the two groups