Supergirl American Alien (Season 4, Episode 1)
TV-PG
TV Episode | 42 min | Action, Adventure, Drama

Supergirl

American Alien (Season 4, Episode 1)

TV-PG

TV Episode | 42 min | Action, Adventure, Drama

Supergirl is called into action when remnants of Cadmus attempt to assassinate pro-alien leaders, but their endgame turns out to be more sinister than she thinks.

Showrunners

Jessica Queller | Robert L. Rovner (as Robert Rovner)

Director

Jesse Warn

Writers

Jerry Siegel (based on characters created by) | Joe Shuster (based on characters created by) | Greg Berlanti (developed by) | Ali Adler (developed by) & 9 more

Producers

Jennifer Lence | Carl Ogawa | Caitlin Parrish | Chris Pavoni (produced by) & 4 more

Composers

Daniel James Chan | Blake Neely

Cinematographer

James Liston

Editors

Matt Lawrence | Anthony Miller

Casting Directors

Lyndsey Baldasare | David Rapaport (as David H. Rapaport)

Production Designer

Tyler Bishop Harron (as Tyler Harron)

See all filmmakers & crew (227)

Edit Released

Updated Oct 14, 2018

Release date

Oct 14, 2018 (United States)

Awards

Series awards

15 wins & 52 nominations

Contacts

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Cast	+ Add Cast
25 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 Alex Danvers See fewer	Not Another Teen Movie (2001)
Katie McGrath Lena Luthor Lena Luthor See fewer	Jurassic World (2015)
Jesse Rath Querl Dox / Brainiac-5 Querl Dox / Brainiac-5 See fewer	Supergirl (2015)
Sam Witwer Agent Liberty Agent Liberty See fewer	The Mist (2007)
Nicole Maines Nia Nal Nia Nal See fewer	Yellowjackets (2021)
David Harewood J'onn J'onzz J'onn J'onzz See fewer	Blood Diamond (2006)
Lynda Carter President Olivia Marsdin President Olivia Marsdin See fewer	Wonder Woman (1975)
Brenda Strong Lillian Luthor Lillian Luthor See fewer	Starship Troopers (1997)
Rhona Mitra Mercy Graves Mercy Graves See fewer	Underworld: Rise of the Lycans (2009)
Robert Baker Otis Graves Otis Graves See fewer	Indiana Jones and the Kingdom of the Crystal Skull (2008)
Tiya Sircar Fiona Byrne Fiona Byrne See fewer	The Good Place (2016)
Anthony Konechny Raymond Jensen Raymond Jensen See fewer	Animal Kingdom (2016)
Vincent Gale Dr. Vose Dr. Vose See fewer	Firewall (2006)
Cardi Wong Kesse Kay Kesse Kay See fewer	Golden Delicious (2022)
Alison Araya District Attorney Diaz District Attorney Diaz See fewer	Julie and the Phantoms (2020)
Keith Dallas Al Al See fewer	Snakes on a Plane (2006)
Daya Harris Old Woman Old Woman See fewer	Supergirl (2015)
Takaya Kelly Little Girl Little Girl See fewer	Supergirl (2015)
Javier Lacroix Curator Curator See fewer	Overboard (2018)
Jaymee Mak MacKenzie MacKenzie See fewer	DeLISHH (2019)
Sasha Piltsin Soldier Soldier See fewer	Sniper: Assassin's End (2020)
Latonya Williams Mom Mom See fewer	Merry Liddle Christmas Baby (2021)
Kyle Strauts Valeronian (uncredited) Valeronian (uncredited) See fewer	The Predator (2018)