Supergirl (2026) Cast & Character Guide — No Spoilers | Who's That?

Who plays who in Supergirl (2026)? Browse a spoiler-free character guide with photos of every major character and the actors behind them, including Milly Alcock, Eve Ridley, Matthias Schoenaerts.

• Supergirl — played by Milly Alcock
• Ruthye — played by Eve Ridley
• Krem — played by Matthias Schoenaerts
• Lobo — played by Jason Momoa
• Zor-El — played by David Krumholtz
• Alura In-Ze — played by Emily Beecham
• Superman — played by David Corenswet
• Bomar Vran — played by Kadiff Kirwan
• Mareck Vran — played by Thalissa Teixeira
• Elias Knoll — played by Ferdinand Kingsley
• Delilah Knoll — played by Emily Piggford
• Drom Baxton — played by Diarmaid Murtagh
• Blue Sklarian Raider — played by Clara Rosager
• Red Sklarian Raider — played by Alice Hewkin
• Purple Sklarian Raider — played by Heather Agyepong
• Brute — played by Wil Coban
• Hideous Alien Double — played by George Montague
• Emond Knoll — played by Bruce Lennox
• Lumpy Alien — played by Audrey Brisson-Jutras
• Lumpy Alien — played by Avye Leventis