- Country: USA
- Genres: Action, Adventure, Drama
- Release: 2018-10-14
- Director: Jesse Warn
- Writers: Jerry Siegel , Joe Shuster , Greg Berlanti , Ali Adler
- Language: English
- Stars: Melissa Benoist , Melissa Benoist , Mehcad Brooks , Chyler Leigh , Katie McGrath (I) , Jesse Rath , Jesse Rath , Sam Witwer , Nicole Maines , David Harewood , Lynda Carter , Brenda Strong
- Runtime: 42 min
- Awards: N/A
- AKA: American Alien (United States of America)Supergirl, 超级少女 (China)
- Plot: 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.
- IMDB:tt8227102
Supergirl Season 4 Cast
Jesse Warn
Director
Melissa Benoist
Kara Danvers
Melissa Benoist
Supergirl
Mehcad Brooks
James Olsen
Chyler Leigh
Alex Danvers
Katie McGrath
(I)
Lena Luthor
Jesse Rath
Querl Dox
Jesse Rath
Brainiac-5
Sam Witwer
Agent Liberty
Nicole Maines
Nia Nal
David Harewood
J'onn J'onzz
Lynda Carter
President Olivia Marsdin
Brenda Strong
Lillian Luthor