Matthew will play Alec Lightwood, who joins Jace and his sister, Isabelle, in their pursuit of demonic creatures. He’s tortured by his romantic love for Jace, who is his adoptive brother and fighting partner. The eldest of the group, his strict moral code forces him to follow the law to the letter.
Isaiah will play Luke Garroway, an NYPD detective investigating a string of “demonic” murders. Luke feels a fatherly instinct to protect Clary, a strong affection for Jocelyn and has secrets of his own. Once a strong and powerful Shadowhunter, he has since become the thing he once hated most – a werewolf pack leader.