The Key of Love Director Jin Myung-Hoon is basking in his own glory. Nam Ba-Ram brings his children in for a checkup. Office romance is in full bloom and hard for Ji-Hong and Hye-Jung to hide. Yoon-Do is missing his own sweet pad. Details Casts Videos Galleries Posters Season Lists Title The Key of Love Genres Drama Comedy Release Date 2016-08-01 Episode Runtime 01 Hours 00 Minutes Season Number 1 Episode Number 13 Production Companies Pan Entertainment Kim Rae-won... Hong Ji-hong... Park Shin-hye... Yoo Hye-jeong... Yoon Kyun-sang... Jung Yoon-do... Lee Sung-kyoung... Jin Seo-woo... Kim Min-seok... Choi Kang-sik... Jang Hyun-sung... Kim Tae-ho... Yoo Da-in... Jo In-joo... Baek Sung-hyun... Lee Young-gook... Kim Ji-soo... Soo-cheol... Kim Yeong-ae... Mal-soon... Uhm Hyo-seop... Jin Myung-ho... Kal So-won... Young Yoo Hye-jeong... Jeon Kuk-hwan... Jin Seong-jong... Pyo Ye-jin... Hyun Soo-jin... Moon Ji-in... Cheon Soon-hee... Ji E-su... Yoo Byeol... Jo Hyun-sik... Ahn Jong-dae... Yoon Hae-young... Yoon Ji-young... SBS [닥터스] - 20일(월) 예고 (Trailer) SBS [닥터스] - 2차 티저 (Trailer) SBS [닥터스] - 1차 티저 (Trailer) Original Size (1920x1080) Original Size (2048x1152) Original Size (1600x900) Original Size (1280x720) Original Size (1920x1080) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (1500x2250) Original Size (1000x1490) Original Size (1200x1800) Original Size (1000x1500) Original Size (1000x1491) Original Size (1000x1492) Original Size (1000x1493) Original Size (1000x1493) Original Size (1000x1500) Original Size (2000x3000) Original Size (2000x3000) Original Size (600x800) Original Size (1772x2663) Original Size (1772x2663) Original Size (720x1080) Original Size (720x1080) Season 1 20 Episode(s) 2016-06-20