Meet your new Lois Lane.The CW and Warner Bros. Television have cast Grimm star Elizabeth Tulloch as the Arrowverse's Lois Lane ahead of this December's crossover. Tulloch will appear alongside Tyler Hoechlin's Superman in the three-part Arrowverse crossover , which will also introduce Ruby Rose's Batwoman to the small-screen superhero franchise.

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When Lois and Clark's involvement was first announced, Supergirl executive producers Jessica Queller and Robert Rovner said, “We couldn’t be more excited to introduce Lois Lane to the Arrowverse. This dogged, determined and brave reporter will make for a strong partner to Superman and amazing addition to our universe of DC characters.”In addition to her lead role on Grimm throughout its six seasons, Tulloch's feature credits include Will Smith's Concussion, Parkland opposite Paul Giamatti and Billy Bob Thornton, and Best Picture winner The Artist. On the small screen she's starred in Quarterlife and appeared on Portlandia, House M.D., The West Wing.Supergirl has previously introduced other members of the Lane family, including Lois' father, General Lane (Glenn Morshower), and sister Lucy (Jenna Dewan).This year's Arrowverse crossover will begin with The Flash on Sunday, Dec. 9, continuing on Arrow on Monday, Dec. 10 and ending with Supergirl on Tuesday, Dec. 11 on The CW.

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For more on all things DC on the small screen, check out why we think Lois' introduction is a big deal for the Arrowverse , and get an exclusive first look at Dick Grayson and Jason Todd in DC Universe's Titans