Supergirl Worlds Finest (Season 1, Episode 18)
TV-14
TV Episode | 43 min | Action, Adventure, Drama

Supergirl

Worlds Finest (Season 1, Episode 18)

TV-14

TV Episode | 43 min | Action, Adventure, Drama

Kara gains a new ally when the Flash arrives from a parallel universe and helps her fight the Silver Banshee and Livewire in exchange for helping him return home.

Contacts

+ Add

Become a member to see contact information for Worlds Finest.

Cast	+ Add Cast
18 cast members

Name	Known for
Melissa Benoist Kara Danvers / Supergirl Kara Danvers / Supergirl See fewer	Supergirl (2015)
Mehcad Brooks James Olsen James Olsen See fewer	Desperate Housewives (2004)
Chyler Leigh Alex Danvers (credit only) Alex Danvers (credit only) See fewer	Not Another Teen Movie (2001)
Jeremy Jordan Winn Schott Winn Schott See fewer	The Last Five Years (2014)
David Harewood Hank Henshaw (credit only) Hank Henshaw (credit only) See fewer	Blood Diamond (2006)
Calista Flockhart Cat Grant Cat Grant See fewer	Ally McBeal (1997)
Grant Gustin Barry Allen / The Flash Barry Allen / The Flash See fewer	The Flash (2014)
Jenna Dewan Lucy Lane (as Jenna Dewan-Tatum) Lucy Lane (as Jenna Dewan-Tatum) See fewer	Step Up (2006)
Chris Vance Non Non See fewer	Prison Break (2005)
Italia Ricci Siobhan Smythe / Silver Banshee Siobhan Smythe / Silver Banshee See fewer	Designated Survivor (2016)
Brit Morgan Leslie Willis / Livewire Leslie Willis / Livewire See fewer	True Blood (2008)
Harriet Sansom Harris Sinead Sinead See fewer	Licorice Pizza (2021)
Jay Jackson News Anchor News Anchor See fewer	Fast Five (2011)
Christopher Showerman Tor Tor See fewer	George of the Jungle 2 (2003)
Dawn Greenidge Pedestrian Woman Pedestrian Woman See fewer	Grey's Anatomy (2005)
Sarah Robson Dr. Amelia Hamilton Dr. Amelia Hamilton See fewer	Between the Forest and the Field (2012)
Dan Warner Fire Chief Fire Chief See fewer	Transformers: The Last Knight (2017)
Yuliya Rudina Kara Danvers (voice) (version: Russian) Kara Danvers (voice) (version: Russian) See fewer	Supergirl (2015)