"Worlds Finest" - Kara gains a new ally when the lightning-fast superhero THE FLASH (Grant Gustin) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Grant Gustin crosses over as The Flash.
REGULAR CAST:
Melissa Benoist - (Kara Danvers/Supergirl)
Calista Flockhart - (Cat Grant)
Chyler Leigh - (Alex Danvers)
Mehcad Brooks - (James Olsen)
David Harewood - (Hank Henshaw/J'onn J'onzz)
Jeremy Jordan -(Winslow "Winn" Schott)
RECURRING CAST:
Jenna Dewan-Tatum - (Lucy Lane)
Chris Vance - (Non)
Italia Ricci - (Siobhan Smythe)
Brit Morgan - (Leslie Willis/Livewire)
Christopher Showerman - (Tor)
Jay Jackson - (News Anchor)
Dan Warner -(Fire Captain)
GUEST CAST:
Grant Gustin - (The Flash/Barry Allen)
Jamie Kaler - (Pundit #1)
Samantha Harris - (Pundit #2)
Zarek King - (Young Boy)
Sarah Robson - (Dr. Amelia Hamilton)
Harriet Sansom Harris - (Sinead)
Dawn Greenidge - (Pedestrian Woman)
STORY BY:Greg Berlanti
TELEPLAY BY: Andrew Kreisberg and Michael Grassi
BASED ON: The Characters Appearing in the DC Comics
DIRECTED BY:Nick Gomez
GENRE:Drama
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