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Superman & Lois Producers & Cast Tease Tom Cavanagh’s Season 4 Role

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More news has come in from this year’s Comic-Con International in San Diego where Superman & Lois showrunners Todd Helbing and Brent Fletcher as well as actors Tyler Hoechlin and Bitsie Tulloch did some press in addition to their panel appearance.

A few months ago, it was revealed that Tom Cavanagh, who played a multitude of Wells on The Flash, would be making an acting appearance in Season 4, and it was assumed that it would be in the series finale. It was confirmed that yes, he’s in the fourth and final season, but his appearance comes “in an episode later in the season.”

“Well, it’s first, it’s not the season finale,” Helbing clarified. “There’s a lot of cameos, more than any other season I would say, this year. But that came out because it’s a character in the comics and it’s like somebody met Tom Cavanagh, went back in time, created this character and then was like, ‘hey, you guys should cast this guy.’ You know, like that. It was the easiest casting of all time.”

“The Tom Cavanagh character is somebody you haven’t seen him play before, and it’s the most Tom Cavanagh character of all time,” Brent Fletcher added. “We’re excited for people to see [him].”

Todd Helbing did confirm that there are a few cameos in Season 4, more than we’ve seen before, and those appearances include Douglas Smith, brother of prolific Superman & Lois director Gregory Smith, as Jimmy Olsen. Bitsie Tulloch added that there is a “surprise cameo” in the finale, for what it’s worth.

The fourth and final season of Superman & Lois premieres with two episodes October 17 on The CW.

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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