who plays young supergirl
It is based on the DC Comics character Supergirl (Kara Zor-El), created by Otto Binder and Al Plastino, and stars Melissa Benoist in the title role. Supergirl is a costumed superheroine who is the biological cousin to Superman and one of the last surviving Kryptonians. The series was officially picked up on May 6, 2015, after receiving a series commitment in September 2014, and received a full season order on November 30, 2015.