Supergirl/Call to Action

Call to Action
Season 4, Episode 6
Airdate	November 18, 2018
Production Number	T13.21206
Written by	Gabriel Llanas & Daniel Beaty
Directed by	Antonio Negret
Stream
← 4x05 Parasite Lost	4x07 → Rather the Fallen Angel
Supergirl — Season Four

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Call to Action is the sixth episode of the fourth season of Supergirl, and the seventy-first episode overall.

Starring: Melissa Benoist (Kara Zor-El / Kara Danvers / Supergirl), Mehcad Brooks (James Olsen), Chyler Leigh (Alexandra "Alex" Danvers), Katie McGrath (Lena Luthor), Jesse Rath (Querl Dox / Braniac 5), Sam Witwer (Ben Lockwood / Agent Liberty), Nicole Maines (Nia Nal), April Parker Jones (Colonel Lauren Haley)

and David Harewood (J'onn J'onzz / Martian Manhunter)

Special Guest Star: Helen Slater (Eliza Danvers)

Guest Starring: David Ajala (Manchester Black), Andrea Brooks (Eve Teschmacher), Steve Byers (Tom), Sarah Smyth (Lydia Lockwood), Graham Verchere (George Lockwood)

Co-Starring: Fraser Aitcheson (CoL 5), Jason Bell (CoL 1), Andrea Drepaul (Sean Chiu), Jase Anthony Griffith (Mask 1), Arran Henn (Reporter), Dominique Lucky Martell (Alien Girl), Lisa MacFadden (Gal), Kirby Morrow (Officer Petrocelli), Philip Prajoux (Guy), Clifford Prang (Alien Father), Khamisa Wilsher (Assistant), Sam Yunussov (CoL 4)