Guest Stars Jun Suk Ho as Choi Woo Suk Sung Do Hyun as Mercenary Team Leader Choi Jae Hwan as Kim Moo Dong Park Hye Jin as Sang Woo's Mother David Sayers as Richard Jane Wong as Jennifer Bryan Bucco as John Jordan Lambertoni as Jack Kevin Yorn as Kevin Jo Ah In as Sung Ga Young Choi Jae Sup as Park Man Chul Park Si Wan as Kang Chul Park Ye Bom as Park Na Yun Cate Blanchett as Female Recruiter Park Mi Hyun as Sae Byuk's Mother Lee Ye Rin as Airline's Ground Attendant
