A familiar face is coming to National City! Laura Vandervoort, who played Kara Zor-El/Supergirl on the long-running series Smallville, has joined the cast of Supergirl on CBS on a recurring basis. The announcement was made on Monday via press release. Vandervoort will be playing Indigo, described by the show’s producers as a “living, strong-willed supercomputer that was sentenced to Fort Rozz after turning against the people of Krypton.” Now residing on Earth, Indigo will become the latest villain to fight Melissa Benoist’s Girl of Steel.

The character is based on a relatively obscure villain from DC Comics history. In the comics, the blue-skinned Indigo was actually a member of the super team the Outsiders, operating under the leadership of Nightwing until it was discovered that she was really a sub-program for the evil alien artificial intelligence Brainiac. She eventually turned against the Outsiders and the Teen Titans as Brainiac 8, but eventually her Indigo personality emerged and begged to be taken out before she could do any more harm.

Laura Vandervoort joins a growing list of Superman universe alumni who have joined the cast of Supergirl. Dean Cain of Lois and Clark fame played Kara’s adoptive father Jeremiah Danvers, and Helen Slater, who played Supergirl in the original movie, appeared as Kara’s adoptive mother. This follows in the tradition of Smallville, which cast many actors previously associated with the Superman mythos in various media during that show’s decade long run.

Jeff Branson (The Young and the Restless) has also been cast in the recurring role of Master Jailer, the jail guard on Fort Rozz. Now on Earth, he is hellbent on catching all of the Fort Rozz escapees and then brutally bringing them to justice.

Supergirl airs Mondays on CBS at 8PM.

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IMAGES: Warner Brothers/DC Comics