Supergirl will be showing us a little Mercy next season: Rhona Mitra (The Last Ship) is joining the Season 4 cast of The CW’s superhero drama in a season-long recurring role as villainess Mercy ...

Mitra has appeared in a variety of TV shows, including The Last Ship, Strike Back, Nip/Tuck, and Boston Legal. More recently, she had a recurring role in The CW’s Supergirl as Mercy Graces.

Actor Rhona Mitra has been cast to play Mercy Graves in Supergirl season 4. The 41-year-old will be playing Lex Luthor’s former bodyguard, and unlike comic book canon, Supergirl have given her a ...