It has been confirmed that both Song Ji Hyo and Kim Joong Kook are officially leaving the famous SBS' variety show "Running Man." But it looks like, Kang Ho Dong is ready to replace them as host on the upcoming new season.

Song Ji Hyo and Kim Jong Kook affectionately termed as 'Spartace' by fans because of their great teamwork on the show, have issued official statements through their respective agencies regarding their departure.

Song's agency revealed that the actress had been in discussions with show producers "for a long time" with regard to her decision to leave the show in order to focus on her acting career, K-pop website Soompi reported.

"Song Ji Hyo is leaving 'Running Man'. There was a long discussion with the producers as it was overwhelming for her to handle both acting promotions and a variety show. She plans to focus on her acting career after leaving 'Running Man'. The date of her departure is currently in adjustment," Song Ji Hyo's label MY Company confirmed.

Meanwhile, fans of Kim Joong Kook could be in for a shock because his "Running Man" filming schedule is rumoured to last only till next week. Online news site Koreaboo reported that his last date of filming is set for Dec 19.

"Kim Jong Kook decided to leave 'Running Man'. The exact date of departure is not yet confirmed," Kim Jong Kook's label Maroo Entertainment said.

The two long-time cast members are the latest to leave the show, following fellow member Gary who quit in October after six years.

According to industry insiders, the popular variety show is looking to revamp in January 2017 for a "Running Man Season 2."

While Running Man has aired without any program changes, the variety show is reportedly set to undergo changes in the overall format with the addition of new cast members next year. Veteran Korean emcee Kang Ho Dong is reported to be joining the famous variety show.

"Running Man" continued to air for the past seven years with a minimal change in format. The program was listed as one of the "Top Favorite Program of Koreans."