To what South Korean girl group does one of the actors in "The Swindlers" belong?
The Swindlers (2017 film):  The film stars Hyun Bin, Yoo Ji-tae, Bae Seong-woo, Park Sung-woong, Nana and Ahn Se-ha. Nana (singer):  She is a member of the South Korean girl group After School and its subgroup Orange Caramel".
After School