Kara Danvers / Supergirl
James Olsen
Alex Danvers
Winn Schott
Lena Luthor
Samantha Arias / Reign
Mon-El
J'onn J'onzz
M'yrnn J'onzz
Patricia Arias
Ruby Arias
Querl Dox / Brainiac-5
Imra Ardeen
Mrs. Queller
Tanya
Woman (as Emily Haine)
Man
Crowd Guest (uncredited)
Dr. Grace Parker / Pestilence (uncredited)