The DC villain’s big plans for National City instantly put him at odds with Supergirl (Melissa Benoist) and Lena Luthor (Katie McGrath); Carl Lumbly (Alias, Southland, The Cure for Wellness) plays classic DC character M’yrnn J’onzz, the father of J’onn J’onnz, the Martian Manhunter (David Harewood).
Able to immobilize people by tapping into their worst fears, Psi proves a formidable opponent for Supergirl.
Psi (guest star Yael Grobglas), a thief with psychic powers, attacks National City.
Supergirl is produced by Berlanti Productions in association with Warner Bros. Television.