'House on Wheels 2' off to good start with Im Si-won as new cast member Posted : 2021-04-12 16:35 Updated : 2021-04-13 15:53 Actors Sung Dong-il, Im Si-won and Kim Hee-won pose for pictures during an online press conference for the show, Friday. Courtesy of tvN By Lee Gyu-lee TvN's reality show "House on Wheels," which showcased to great success last year, is back with its second season after a minor cast reshuffle from Yeo Jin-goo to Im Si-won. The season premiere on Friday scored a 4.4 percent viewership rating, peaking at 6.3 percent, according to Nielsen Korea. Starring actors Im, Sung Dong-il and Kim Hee-won, the show revolves around the trio traveling across the country in a camper.