Jenna Dewan-Tatum Jenna Dewan-Tatum

Jenna Dewan-Tatum has just landed a super new gig.

Dewan-Tatum will play the recurring character Lucy Lane on CBS' fall drama Supergirl, the network announced Monday. Lucy is the younger sister of Lois Lane and is the ex-girlfriend of Jimmy Olsen (Mehcad Brooks), a colleague of Kara Danvers, the titular Supergirl (Melissa Benoist). She arrives in town on a mission to "right a previous wrong," according to the casting announcement, and will make her first appearance in Episode 3.

The Witches of East End alum joins a growing cast that now includes Peter Facinelli as Maxwell Lord and Chris Browning (The 100) as the villain Reactron.

Supergirl premieres Monday, Oct. 26 at 8:30/7:30c on CBS. It moves to its regular timeslot on Monday, Nov. 2 at 8/7c. Will you watch?

(Full disclosure: is owned by CBS.)