• 
  Eung-bok Lee

  regizor

• 
  Won-Suk Kim

  scenarist
• 
  Eun-Sook Kim

  scenarist

• 
  Ku Jin

  Seo Dae-young
• 
  Song Joong-Ki

  căpitanul Yoo Si Jin
• 
  Hye-kyo Song

  Kang, Mo-Yeon
• 
  Shin-il Kang
• 
  Red Velvet

• 
  Onew

  Lee, Chi-yeon
• 
  Kwang Soo Lee
• 
  Jyu-ni Hyun

  dr. Pyo
• 
  Jo Woo-Ri

  dr. Jang
• 
  Ji-won Kim

  Yoon, Myeong-Joo
• 
  Jasper Cho

  dr. Daniel Spencer
• 
  Goo-seo Jin

  Dae-Yong

• 
  Dean Dawson
• 
  Daniel Joey Albright
• 
  Ah In Yoo
• 
  David Lee McInnis

  căpitanul Argus
• 
  Min Suk Kim

  17 episodes, 2016-2017
• 
  Park Hoon

  First Sergeant Choi (Snoopy)
• 
  Byeong-cheol Kim

  15 episodes, 2016
• 
  Seung-joon Lee

  Dr. Song Sang Hyeon
• 
  Jyu-ni Hyeon

  Pyo Ji Soo
• 
  Woong Choi

  Staff Sergeant Gong (Harry Potter)
• 
  Ahn Bo-Hyun

  First Sergeant Lim (Piccolo)
• 
  Hwan-hee Park

  Nurse Choi Min Ji
• 
  Jung-Yeon Seo

  Nurse Ha Ja Ae
• 
  Jae-yoon Cho

  8 episodes, 2016

• 
  Myung Chan Kang

  producător