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Supergirl Casts Superman IV Veteran As Lex Luthor

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Supergirl has found their Lex Luthor.

Lex will be making his Supergirl debut in the 15th episode of the show’s fourth season, and playing the role is Superman IV: The Quest for Peace movie veteran Jon Cryer.

“We are enormous fans of Jon Cryer, and he was instantly our dream actor to play the iconic role of Lex Luthor.    Jon is a super-talent, and the fact that he played Lenny Luthor in Superman IV brings an added layer of legacy to his casting.  We’re beyond thrilled to welcome Jon to the Supergirl family,” Executive Producers Jessica Queller and Robert Rovner said in a statement.

A star of many well-loved movies of decades past, Jon Cryer is known best to modern audiences for his role in the long-running CBS series Two and a Half Men.

“We’re beyond excited to introduce iconic villain, Lex Luthor, to Supergirl and to weave him into our story this season.  We’ve talked about having Lex on the show since it’s inception and we’re excited to have him finally arrive.  We can’t wait for him to shake things up in National City and watch him go toe to toe with not only Supergirl, but his sister Lena Luthor (Katie McGrath),” the producers said.

“I absolutely have no idea the parameters of how he’s going to come into the world,” Melissa Benoist told us earlier this week when we asked her about Lex coming to the show. “But I’m so excited that he is. I think most of his story, I would guess, would be with Lena. But of course he’s going to interact with Supergirl too. It would only be fitting. I can’t say who it … no. It’s really cool. It’s a very cool person who I think they’ve got to play him,” she teased.

About the author

About the author

Craig Byrne

Craig Byrne has been writing about Superman TV since 1995, when the "Lois & Clark Krypton Club" launched. He founded KryptonSite.com in February 2001, becoming the first fan site for The WB/CW television series Smallville. He also wrote the Official Companion books for Smallville seasons 4-7 as well as the Smallville Visual Guide.

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About KryptonSite

In a time before social media, Craig Byrne created KryptonSite as the ultimate fan destination for The WB/CW series Smallville which starred Tom Welling, Michael Rosenbaum, Kristin Kreuk, Erica Durance and more. In the decades since, KryptonSite has grown to cover newer Superman-related TV and movie projects while still always holding on to Smallville.

The web’s first source for Smallville news, continuing to cover Supergirl, Superman & Lois, the new Superman films and more!

Copyright © 2026 Craig Byrne & KryptonSite and the respective original authors of posts. Smallville, Kryptonite and other Superman-related items are the property of DC Comics. No infringement is intended.

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