Tang Wei Seo-rae Park Hae-il Hae-joon Lee Jung-hyun Jung-an Park Yong-woo Lim Ho-shin Go Kyung-pyo Soo-wan Kim Shin-young Yeon-su Yoo Seung-mok Ki Do-soo Jung Yi-seo Mi-ji Jung Young-sook Monday granny Lee Hak-joo Lee Ji-goo Park Jeong-min Hong San-oh Jeong Ha-dam Oh Ga-in Seo Hyun-woo Cheol-seong Yoo Teo Assistant manager Lee Jeong So-ri Part-timer at the internet cafe Shin An-jin Mountain lifeguard Kim Do-yeon ER doctor Go Min-si [White Flower] Shaman Cha Seo-won [White Flower] Mr Ryu Joo In-young Caregiver manager Choi Sun-ja Seo-rae's mother Jin Yong-uk Director of judging Choi Dae-hoon Sleep doctor Kim Mi-hwa Madam soft-shelled turtle Ahn Seong-bong [General Emergency] Go-bin Lee Yong-nyeo Friday granny Kim Gook-jin Translation app (voice) Kim Sang-hyun Translation app (voice) Tang Wei Seo-rae Park Hae-il Hae-joon Lee Jung-hyun Jung-an Park Yong-woo Lim Ho-shin Go Kyung-pyo Soo-wan Kim Shin-young Yeon-su Yoo Seung-mok Ki Do-soo Jung Yi-seo Mi-ji Jung Young-sook Monday granny Lee Hak-joo Lee Ji-goo Park Jeong-min Hong San-oh Jeong Ha-dam Oh Ga-in Seo Hyun-woo Cheol-seong Yoo Teo Assistant manager Lee Jeong So-ri Part-timer at the internet cafe Shin An-jin Mountain lifeguard Kim Do-yeon ER doctor Go Min-si [White Flower] Shaman Cha Seo-won [White Flower] Mr Ryu Joo In-young Caregiver manager Choi Sun-ja Seo-rae's mother Jin Yong-uk Director of judging Choi Dae-hoon Sleep doctor Kim Mi-hwa Madam soft-shelled turtle Ahn Seong-bong [General Emergency] Go-bin Lee Yong-nyeo Friday granny Kim Gook-jin Translation app (voice) Kim Sang-hyun Translation app (voice) Tang Wei Seo-rae Park Hae-il Hae-joon Lee Jung-hyun Jung-an Park Yong-woo Lim Ho-shin Go Kyung-pyo Soo-wan Kim Shin-young Yeon-su Yoo Seung-mok Ki Do-soo Jung Yi-seo Mi-ji Jung Young-sook Monday granny Lee Hak-joo Lee Ji-goo Park Jeong-min Hong San-oh Jeong Ha-dam Oh Ga-in Seo Hyun-woo Cheol-seong Yoo Teo Assistant manager Lee Jeong So-ri Part-timer at the internet cafe Shin An-jin Mountain lifeguard Kim Do-yeon ER doctor Go Min-si [White Flower] Shaman Cha Seo-won [White Flower] Mr Ryu Joo In-young Caregiver manager Choi Sun-ja Seo-rae's mother Jin Yong-uk Director of judging Choi Dae-hoon Sleep doctor Kim Mi-hwa Madam soft-shelled turtle Ahn Seong-bong [General Emergency] Go-bin Lee Yong-nyeo Friday granny Kim Gook-jin Translation app (voice) Kim Sang-hyun Translation app (voice)