Special S00 E01

Ji Sung (as Kim Jung-wo) Sung Yu-ri (as Lee Soo-hyun) Lee Wan (as Jang Tae-hyuk) Jun Kwang-ryul (as Jang Min-ho / Kim Il-hwan) So I-hyeon (as Yoo Mi-ran) Don Lee (as Lee Kang-rae) Jin Goo (as Kim Il-hwan (young)) Seo Ji Yeon (as Jin Sook)