Sign
Promotional poster
Genre	Romance Crime Action
Written by	Jang Hang-jun Kim Eun-hee
Directed by	Jang Hang-jun
Starring	Park Shin-yang Kim Ah-joong Jun Kwang-ryul Jung Gyu-woon Uhm Ji-won
Composers	Yang Jeong-woo Kim Soo-jin
Country of origin	South Korea
Original language	Korean
No. of episodes	20
Production
Executive producers	Choi Moon-suk Kim Yong-hoon Lee Mi-ji
Producer	Park Ji-eun
Production companies	Apollo Pictures Golden Thumb
Original release
Network	Seoul Broadcasting System
Release	January 5 (2011-01-05) – March 10, 2011 (2011-03-10)

Sign (Korean: 싸인) is 2011 South Korean television series, starring Park Shin-yang, Kim Ah-joong, Jun Kwang-ryul, Jung Gyu-woon and Uhm Ji-won. It is about the life of forensic doctors. It aired on SBS from January 6 to March 10, 2011 on Wednesdays and Thursdays at 21:55 for 20 episodes.

Synopsis

The story details the partnership between Go Da-kyung (Kim Ah-joong), a warm-hearted rookie and Yoon Ji-hoon (Park Shin-yang), a high-tempered forensic doctor, who find themselves an unlikely pair for solving cases.

Cast

• Park Shin-yang as Yoon Ji-hoon ^[1]
• Kim Ah-joong as Go Da-kyung
• Uhm Ji-won as Jung Woo-jin
• Jung Gyu-woon as Choi Yi-han
• Jun Kwang-ryul as Lee Myung-han
• Song Jae-ho as Jung Byung-do
• Jang Hyun-sung as Jang Min-suk
• Ahn Moon-sook as Hong Sook-joo
• Jung Eun-pyo as Kim Wan-tae
• Im Ho-gul as Jang Jae-young
• Moon Chun-shik as Ahn Sung-jin
• Kwon Byung-gil as Goo Sung-tae
• Lee Jung-hun as Joo In-hyuk
• Kim Kyung-bum as Park Tae-gyu
• Jung Seung-ho as Go Kang-shik
• Kim Young-sun as Jung Eun-mo
• Hwang Sun-hee as Kang Seo-yeon
• Park Young-ji as Kang Joon-hyuk
• Kim Eung-soo as Chief prosecutor Choi Jung-seop
• Yoo Se-rye as Mi-young
• Park Geon-il as Seo Yoon-hyung
• Kim Han-joon as Kang Yong-hwa
• Oh Hyun-chul as Woo Jae-won
• Supernova as VOICE (cameo)
• Jung Yoon-hak as Boy Band "VOICE" member
• Jung Ji-yoon as Secretary for lead prosecutor
• Choi Jae-hwan as Ahn Soo-hyun (ep 4-7)
• Han Bo-bae as Aki-chan (ep 8)
• Kim Sung-won as school principal (ep 8)
• Kim Jung-tae as Jung Cha-young (ep 11-13)
• Baek Seung-hyeon as Lee Chul-won (ep 12-13)
• Jung Da-bin as Da-bin (ep 13-14)
• Kim Dan-yool as village kid (ep 13-14)
• Yoon Joo-sang as Jung Moon-soo (cameo)
• Kim Sung-oh as Lee Ho-jin (cameo, ep 15-19)
• Kim Min-kyo as policeperson (cameo, ep 1)
• Maxine Koo as Chinese CBC reporter (cameo)
• Jang Hang-jun as side table guest (cameo)
• Yang Taek-jo (cameo)
• Jung Mi-jung
• Im Seung-dae

International Broadcast

• • Indosiar (2012-2013)
  • RCTI (2015)
  • NET. (2023)

Awards and nominations

Japanese remake

A Japanese remake titled Sign: Houigakusha Yuzuki Takashi no Jiken (サイン―法医学者 柚木貴志の事件―) will air on TV Asahi in July 2019. It is produced by Total Media Communication.