Season One

Livewire

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An accident transforms an outspoken radio personality into the villainous Livewire, who can channel and even turn herself into electricity — and who targets Cat and Supergirl. Kara’s foster mother comes to visit for Thanksgiving, causing friction with Alex.

U.S. air dates are in MM.DD.YY form.   U.K. air dates are in DD.MM.YY form.

News & Spoilers

KARA'S THANKSGIVING MAY BE RUINED WHEN HER FOSTER MOTHER COMES FOR A TENSE VISIT AND A VOLATILE CATCO EMPLOYEE IS TRANSFORMED INTO THE VILLAINOUS LIVEWIRE, ON "SUPERGIRL," MONDAY, NOV. 23

Brit Morgan Guest Stars as Leslie Willis/Livewire and Helen Slater Guest Stars as Dr. Eliza Danvers, Kara's Foster Mother

"Livewire" - Kara's Thanksgiving may be ruined when she suspects her foster mother, Dr. Danvers (Helen Slater), who is coming to town, disapproves of her new role as a superhero. Also, when an accident transforms a volatile CatCo employee into the villainous Livewire, she targets Cat and Supergirl, on SUPERGIRL, Monday, Nov. 23 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Brit Morgan guest stars as Leslie Willis/Livewire and Helen Slater guest stars as Dr. Eliza Danvers, Kara's foster mother.

REGULAR CAST:

Melissa Benoist (Kara Danvers/Supergirl)
Calista Flockhart (Cat Grant)
Chyler Leigh (Alex Danvers)
Mehcad Brooks (James Olsen)
David Harewood (Hank Henshaw)
Jeremy Jordan (Winslow "Winn" Schott)

RECURRING CAST:

Jenna Dewan-Tatum (Lucy Lane)
Malina Weissman (Young Kara)
Helen Slater (Dr. Eliza Danvers)
Dean Cain (Dr. Jeremiah Danvers)
Jordan Mazarati (Young Alex)
Jay Jackson (Male Newscaster)

GUEST CAST:

Brit Morgan (Leslie Willis/Livewire)
Michael Mealor (Fratty Dude)
Kevin Covais (High School Kid)
Tom Waite (Pilot)