Rain is a very famous singer-songwriter, actor, and music producer. He was also invited several times to participate in variety shows, including Running Man, because of his very high popularity. Rain performed in several episodes of Running Man, such as episodes 188, 189, 191, and 214.
In episodes 188, 189, and 191, Rain and Kim Woo-bin starred in the episode as the Hallyu stars. They were divided into two groups to complete the mission given to them. They carried out the mission in Australia which of course, was immediately welcomed by their fans.
In episode 214, Running Man had guests from the cast of the drama My Lovely Girl, such as Rain, F(X)’s Krystal, Park Young-gyu, Kim Ki-bang, and Alex. Team My Lovely Girl, which included Running Man member Jae Suk in order to balance out the teams, and Team Running Man, Kim Jong-kook, Gary, Ji Suk-jin, Ha Ha, Song Ji-hyo, and Lee Kwang-soo would compete in a series of competitions before the final audition where the losing team would have to eliminate one member. The eliminated member would be unable to participate in any of the remaining games.
Nichkhun is a member of 2PM who debuted under JYP Entertainment. Nichkhun is a member of 2PM who has quite a muscular body and big enough muscles. He also starred in Running Man as a guest star several times, including episodes 4, 5, 19, and 50.
In episodes 4-5, Nickhun, Jessica Jung, and Song Ji-hyo were guests of Running Man. They were divided into two groups, namely the Nichkhun Adult Team: Song Ji-hyo, Yoo Jae-suk, Lee Kwang-soo, Ji Suk-jin, and the Jessica Children Team: Kim Jong-kook, Ha Ha, Gary, Song Joong-ki.
In episode 19, Nichkhun and Lizzy were guests of the show. In the episode, their mission was 1:9, where Pink Nichkhun Team: Lizzy, Yoo Jae-suk, Ji Suk-jin, Lee Kwang-soo, Song Joong-ki, Song Ji-hyo, Ha Ha, Gary was against Black Team Kim Joong -kook.
In episode 50, Nichkhun and Kim Min-jung were the guest stars. To complete the mission, they had to be divided into three groups, White Team: Kim Min-jung, Yoo Jae-suk, Kim Jong-kook, Green Team: Song Ji-hyo, Gary, Ha Ha, and Blue Team: Nichkhun, Ji Suk-jin, Lee Kwang Soo.
#10 Park Tae-hwan
Park Tae-hwan is a South Korean competitive swimmer who is an Olympic gold medalist and world champion. He has four Olympic medals, five world titles, and 20 Asian Games medals. Park Tae-hwan has an athletic body shape with large muscles due to his training all the time. He has starred in Running Man as a guest star in episodes 109 and 110.
In the episode, Park Tae-hwan and Son Yeon-jae were chosen as guest stars. To complete the series of missions given, they had to be divided into three teams. Red Team: Son Yeon-jae, Yoo Jae-suk, Lee Kwang-soo, Blue Team: Song Ji-hyo, Ji Suk-jin, Ha Ha, and Green Team: Park Tae-hwan, Kim Jong-kook, Gary.
In the mission given, they have to pass four seasons. Spring, summer, winter, and fall. In the final mission, they are competing to find a potion that can provide advantages and disadvantages for those who get the potion.
#11 Cha In-pyo
Cha In-pyo is an actor who has quite a high popularity. Cha In-pyo graduated from Rutgers University in the U.S. with a degree in economics. His father ran a shipping company and had intended for him to take over the family business. Cha In-pyo has only participated in Running Man once, in episode 144.
Episode 144 is arguably one of the funniest episodes of Running Man. In the episode, Cha In-pyo, Seo Jang-hoon, and Ricky Kim are the guest stars. To complete the mission given, they were divided into five groups. Blue Team: Cha In-pyo and Jae Suk, Red Team: Jang Hoon and Ha Ha, Yellow Team: Ricky and Jong Kook, Green Team: Gary and Ji Hyo, and Black Team: Kwang So and Suk Jin.
#12 Lee Si-young
Lee Si-young is a South Korean actress and former amateur boxer. Lee Si-young is the only woman rated as the strongest guest star of Running Man by other Running Man members. She has only participated in one episode of Running Man that is episode 131.
In episode 131, Chu Sung-hoon and Lee Si-young are the guest stars. Episode 131 is one episode of Running Man with a fairly high rating. The theme in the episode is King of Ddakji.