Lee Si Young and Chu Sung Hoon have been revealed to be some of the other guests you can expect to see on an upcoming episode of 'Running Man'!

This episode is highly anticipated for actress�Lee Si Young is also an amateur boxer and Chu Sung Hoon is of course a professional MMA fighter, and it is expected they will give it their all in the race with their competitive spirits.

It is expected that their episode will later after the one with�Hwang Jung Min, Park Sung Woong, and Hyuna, who were spotted filming for the same show the day before the mentioned two stars.

Source + image via Newsen via Nate