[3] Best known as a supporting actor, Kim was often typecast in antagonistic roles, mostly as gangsters, loan sharks, and other such villains.

[8][9] In 2014, he and his son Kim Ji-hoo appeared on The Return of Superman, a reality show that follows celebrity fathers who take over caring for their children for a few days while their wives are away.

They were originally guest stars in his friend Jang Hyun-sung's segment on episodes 20 and 21, but netizens liked Ji-hoo for his bright and happy personality and asked to see more of him.

[11][12] Kim was later heavily criticized for bringing Ji-hoo while publicly campaigning for Na Dong-yeon of the Saenuri Party, who ran for Yangsan city mayor in South Gyeongsang Province in the June 4, 2014 local elections.

His wife, Jeon Yeo-jin responded that the family was just on a "picnic," and that she and her son had just stopped by to say hello to Na, who is an old friend of her husband.