* 2013年，鄭秀晶得到在迷你連續劇演出的機會，參演由當紅人氣演員[[朴信惠]]、[[李敏鎬]]及[[金宇彬]]主演的[[SBS (韓國)|SBS]][[SBS水木迷你連續劇|水木迷你連續劇]]《[[繼承者們]]》，在劇中飾演李寶娜一角，扮演一名燦爛、富有的高中學生，性格刁蠻，但率真可愛，是個討人喜歡的女孩。在整個拍攝過程，鄭秀晶在合作明星和工作人員中相當受歡迎<ref>{{Cite web |url =http://www.allkpop.com/article/2013/11/minhyuk-says-he-cant-help-but-smile-due-to-krystals-cuteness |title =CNBLUE's Minhyuk says he can't help but smile due to Krystal's cuteness in preview for 'Cheongdamdong 111' |author = |date =2013-11-28 |publisher =allkpop.com |language =en |accessdate = |quote = }}</ref><ref>{{Cite web |url =http://www.allkpop.com/article/2014/01/kim-woo-bin-talks-about-the-women-of-heirs |title =Kim Woo Bin talks about the women of 'Heirs' |author = |date =2014-01-07 |publisher =allkpop.com |language =en |accessdate = |quote = }}</ref> 。製作商亦讚揚鄭秀晶在片場能很投入李寶娜一角，大家都相當驚訝<ref>{{Cite web |url =http://mwave.interest.me/enewsworld/tw/article/46183 |title =Krystal戲裡戲外皆多金　飾Mega娛樂公司繼承人到位 |author =陳玉恬 |date =2013-09-16 |publisher =CJ E&M enewsWorld |language =zh }}</ref> 。由鄭秀晶飾演的李寶娜與飾演尹燦榮的[[CNBLUE]][[姜敏赫]]這對情侶角色更在第二屆《Annual DramaFever Awards》獲得「最佳情侶獎」<ref>{{Cite web |url =http://www.dramafever.com/zh-cn/news/kang-min-hyuk-and-krystal-jung-win-best-couple-at-the-2013-dramafever-awards-/?pl=1&pc=DFSale25&utm_source=pjx&utm_medium=&utm_term=&utm_content=&utm_campaign=cmpjx&PJX=21181 |title =Kang Min Hyuk and Krystal Jung win Best Couple at the 2013 DramaFever Awards |author =CoCo Kdrama |date =2014-05-02 |publisher =dramafever |language =en |accessdate = |quote = }}</ref> 。