It's being reported that Claire Holt, known for The Vampire Diaries, is in contention to play Supergirl in the upcoming CBS series.
The Wrap reports they have been told Holt is among those testing for the lead role in Supergirl.
The new Supergirl TV series is said to be a one-hour drama that sees 24-year-old Kara Zor-El, Superman's cousin, forced to use her super powers in public during an unexpected disaster.
Other characters from the DC Comics previously mentioned as part of the cast include Jimmy Olsen, Hank Henshaw, Winslow Schott and Cat Grant.
It's also been said the Supergirl TV series may be set in the same universe as The Flash and Arrow.
Ali Adler (No Ordinary Family) and Greg Berlanti (Arrow) are writing the Supergirl pilot and will serve as executive producers with Sarah Schechter and Warner Bros. TV.