Filming for the sequel of 2015 megahit film “Veteran” will start this month, with several major cast members of the original film returning, according to the distributor, CJ ENM, Friday. Under the helm of director Ryoo Seung-wan, who also led the original film, actors Hwang Jung-min, Jang Yoon-ju, Oh Dae-hwan, Kim Si-hoo and Oh Dal-soo will come back for the cop action flick.