• 
  Kang-hee Choi

   Shin Eun-soo
• 
  Young-nam Jang

   Kang Il-ran
• 
  Ye-ryeon Cha

   Kang Il-joo
• 
  Chang-wan Kim

   Kwon Soo-myung
• 
  Mi-kyung Kim

   Kang-ja
• 
  Jin-yeong Jeong

   Kang Seok-hyun
• 
  Byeong-se Kim

   Hyeong-woo's Father
• 
  In-gi Jeong

   Eun-soo's Father

• 
  Bo-ra Kim

   Kang Il-joo (young)
• 
  Jeong-wook Kim

   Kim Gyung-min
• 
  Yeon Woo Jo

   Kwon Joon-Hyuk
• 
  Sang-wook Joo

   Jin Hyeong-woo
• 
  So Won Kal

   Hong Mi-rae
• 
  Pub-lae Kim

   Kang Il-do
• 
  Hyung-kyu Kim

   Shin Bum-soo

• 
  Sae-ron Kim

   Shin Eun-soo (young) (45 episodes, 2015-2016)
• 
  Joo-Hyuk Nam

   Jin Hyeong-woo (young) (45 episodes, 2015-2016)
• 
  Yoon Soo

  Kang Yoo Kyeong
• 
  So Young Han

  Yang Ji-Eun
• 
  Jae-yoon Lee

  Hong Myung-ho
• 
  Young-hee Na

  Han Young-se
• 
  Jung-ah Park

  Lee Se-young