(ep. 3) Oh Kwang-rok as Boss Lee Il-hwa as Hwang Kyu-ri (ep. 5) Jeon Moo-song as a priest (ep. 12) Park Dae-won Yoo Jae-myung as Anesthesiologist Lee Park Jae-jung as Park Jong-min Kim Ga-eun as Yoon So-jung Hong So-hee as Shin Hee-soo Jung Joon-won as Woo-ram (ep. 4) Alexander as Lee Han-seo (ep. 6) Yang Ohn-yoo as young Han-seo (ep. 6) Choi Ah-ra as Chae-kyung Go Kyung-pyo as Seo In-gak (ep. 10–12) Kang Bit Moon Ji-young as Mi-kyung Yoon Joo-hee as Kang Kyung-hee (ep. 12) Lee Yoo as Min Ji-hee Lee Do-yeon as Da-mi Jang Seung-jo as Lee Jae-joon Lee Soo-yong as Park Jung-wook/Panna Nuen Cho Hye-jung as Jung Mi-hyang (ep. 1) Kim Jin-geun as Mi-hyang's father (ep. 1) Lim Yoon-ho as Ko Kyung-han (ep. 2) Park Min-ji as Park Ha-young (ep. 2) Song Ji-hyun as Ahn Hee-yeon (ep. 3) Hwang Seung-eon as Ahn Hyo-yeon (ep. 3) Choi Tae-hwan as Lee Soo-yong (ep. 4) Han Ki-won as Hong Ki-joon (ep. 4) Kim Heung-soo as Lee Jong-seok (ep. 5) Baek Bong-ki as Lee Hwan-seung (ep. 6) Kwon Eun-soo as Kim Han-sook (ep. 6) Jang Kyung-yeob as Lee Jong-hyuk (ep. 7) Seo Woo-jin as Kang Do-jin (ep. 7) Ji-soo as Kim Eun-shil (ep. 7) Sung Doo-sub as Lee Chul-min (ep. 8) Jang Se-hyun as Lee Woo-min (ep. 8) Jung So-young as Choi Seo-yeon (ep. 9) Kim Bo-mi as Go Gil-nyeo (ep. 10) Choi Ho-joong as Park Chan-hyung (ep. 10) Yang Geum-seok as Jang Hae-won, Jin-woo's mother (ep. 10–12) Choi Cheol-ho as Seo Sang-woo (ep. 11–12) Lee Sang-yi as Park Jae-sung (ep. 1,2) Lee Young-sook as Kim Soo-soon, Jae-sung's mother (ep. 2) Jung Myung-joon as Min Byung-tae (ep. 1,2) Kim Kyung-min as Jung Chang-man (ep. 2) Baek Su-ho as Im Doo-yeon (ep. 3,4) Jo Seung-yeon as Lee Jae-hyung (ep. 4) Park Se-hyun as Lee Ji-eun (ep. 4) Kim Dong-bum as Huh Sang-chan (ep. 3,4) Tak Woo-seok as Yoon Hyun-jong (ep. 5,6) Seo Yu-jeong as Shin Yeon-hwa (ep. 5,6) Han Seung-yong as Hwang Kyung-chul (ep. 5,6) Shin Young-eun as Yoon Se-eun (ep. 5,6) Jang Won as Kwon Young-pil (ep. 5,6) Hong Ji-young as Nam Sang-bok's sister (ep. 7,8) Yang Joo-ho as Nam Sang-bok's brother-in-law (ep. 7,8) Im Yoo-sung as Kim Seo-joon, Nam Sang-bok's nephew (ep. 7,8) Jeon Se-hyeon as Ra Hee-young (ep. 7,8) Oh Yoo-jin as Lee Eun-soo (ep. 7,8) Jang Won-hyuk as Yang Oh-soo (ep. 8) Jung Hye-rin as Oh Soo-young (ep. 8)