Elizabeth Tulloch will be playing Lois Lane in this year's DC TV crossover.
Xander Berkeley will be playing the father of Agent Liberty in Supergirl Season 4.
Trailer for the Supergirl Season 4 premiere "American Alien"
New promotional still promoting the Supergirl Season 4 premiere "Fallout"
Winn Schott could be back on Supergirl in early 2019.
More Supergirl episode titles for Season 4 have been revealed, including one called "Parallax."
Episode titles for Supergirl Season 4 have surfaced online.
A casting breakdown for Lois Lane in this year's DC TV crossover has surfaced.
Anthony Konechny will be playing a DEO agent in Supergirl Season 4.
Bruce Boxleitner taking over the role of Vice President Baker in Supergirl Season 4.