Aside from her music career, Joo has participated in various musical dramas, including Youthful March (2011–2012), Catch Me If You Can (2012–2013), and Full House (2014).
Diluar karier musiknya, JOO telah berpartisipasi dalam beberapa drama musikal, termasuk Youthful March (2011–2012), Catch Me If You Can (2012–2013), dan Full House (2014).