Actress and Girls Generation member Im Yoona will join actor Hyun Bin in his new action film, tentatively titled "Cooperation." It's a film about an unprecedented joint investigation conducted by both North and South Korean detectives. And due to its highly sensitive nature, the investigation is being conducted in secret.

Hyun Bin plays the North Korean detective Lim Chul Ryong and Yoona will play Park Min Young, the younger sister of the South Korean detective. Actor Yoo Hae Jin plays the South Korean detective. Yoona's role has been described as a supporting role.

Yoona is best known for her roles in the dramas "Love Rain" with Jang Geun Suk and "The Prime Minister and I" with Lee Bum Soo. She appeared in the Chinese drama "Wu Shen Zhao Zi Long" and the Korean-Chinese film "Goodbye Ani." She also has a cameo role in the web drama "Because It's The First Time."

Hyun Bin confirmed his role in September and has been training for the film's intense action stunts since then. The action thriller will be his third project since returning from his two year mandatory military duty in December 2012. He played the fearful King Jeongjo in the film "Fatal Encounter" and a man with a split personality in the drama "Hyde, Jekyll and I." Hyun Bin is best known for his roles in the romantic dramas "Secret Garden" and "My Lovely Kim Sam Soon," as well as the films "Late Autumn" and "Come Rain, Come Shine."

Director Yoon Jae Kyoon and his company JK Film Production will produce the film with a budget of $8,500,000. The company produced two hit films, the 2009 disaster film "Haeundae" and the 2014 film "Ode To My Father." "Ode To My Father sold 14.2 million tickets. And he is no stranger to spy films, having produced the 2011 film "Sector 7."

Filming is set to begin early in 2016.