* [[Kim Tae-hee]] sebagai Jang Ok-jung, kemudian selir, [[Jang Hui-bin|Jang ''Hui-bin'']]<ref>{{cite web|last=Lee|first=Hye-ji|title=Kim Tae-hee to Turn Femme Fatale in New TV Series|url=http://www.tenasia.com/kim-tae-hee-to-turn-femme-fatale-in-new-tv-series/|work=TenAsia|accessdate=2013-01-23|date=10 October 2012}}</ref>
** Kang Min-ah sebagai Jang Ok-jung muda
* [[Yoo Ah In-in]] sebagai Lee Soon ([[Sukjong dari Joseon|Raja Sukjong]])<ref>{{cite web|last=Lee|first=Hye-ji|title=Yu A-in to Take Lead in Kim Tae-hee's New Drama|url=http://www.tenasia.com/yu-a-in-to-take-lead-in-kim-tae-hees-new-drama/|work=TenAsia|accessdate=2013-01-25|date=22 January 2013}}</ref><ref>{{cite news|last=Choi|first=Bo-ran|title=Yoo Ah In plays opposite to Kim Tae Hee on a new TV series|url=http://star.mt.co.kr/stviewEng.php?type=3&no=2013012213561886890|accessdate=2013-01-25|newspaper=Star News|date=22 January 2013}}</ref><ref>{{cite web|last=Do|first=Je-hae|title=New face of Korean drama: Yoo Ah-in steals show in SBS ''Jang Ok-Jung, Living by Love''|url=http://koreatimes.co.kr/www/news/culture/2013/06/201_137610.html|work=[[The Korea Times]]|accessdate=2013-06-28|date=17 June 2013}}</ref><ref>{{cite web|last=Kang|first=Jung-yeon|title=Yu A-in Bids Farewell to Fans of ''Jang Ok Jeong''|url=http://www.tenasia.com/yu-a-in-bids-farewell-to-fans-of-jang-ok-jeong/|work=TenAsia|accessdate=2013-06-28|date=27 June 2013}}</ref>
