Look, up in the sky: it's a bird, it's a plane! It's...Supergirl! This fall, Supergirl will be joining the lineup of burgeoning superheroes and villains in Smallville. Supergirl is the latest DC Comics character to join the series that has previously welcomed Martian Manhunter, The Green Arrow, The Flash, Aquaman, Cyborg and Brainiac. Casting for the Supergirl role is currently underway. Smallville airs on Thursdays at 8:00-9:00 p.m. ET on The CW.

On Smallville, the seventh season premiere kicks off with the arrival of Supergirl, whose name is Kara, as Clark's (Tom Welling) 19-year-old cousin. She was born on Krypton and is the daughter of Zor-El, Jor-El's brother. Kara possesses all of Clark's powers and one he doesn't yet have &#9472 she can fly! Kara also has a strong, rebellious streak that puts her at odds with Clark, and puts her onto Lex's (Michael Rosenbaum) radar. In addition, she takes a romantic interest in Jimmy Olsen (Aaron Ashmore).

"One of the joys of creating Smallville has been our ability to reinvent and reinterpret classic DC Comics characters," said Smallville executive producer Al Gough. "Miles and I believe that Supergirl will give our series the mythic jolt that it needs as we head into our seventh season."

Reinterpreting the Superman mythology from its roots, Smallville was developed for television by Alfred Gough & Miles Millar (Shanghai Noon, Spider-Man 2), based on the DC Comics characters.

Dont't forget to also check out: Smallville