Ed Decter Creator Matthew Daddario Alec Lightwood Actor Katherine McNamara Clary Fray Actor Isaiah Mustafa Luke Garroway Actor Alberto Rosende Simon Lewis Actor Dominic Sherwood Jace Wayland Actor Harry Shum Jr. Magnus Bane Actor Emeraude Toubia Isabelle Lightwood Actor Maxim Roy Jocelyn Fray Guest Star Christina Cox Elaine Lewis Guest Star Nick Sagar Victor Aldertree Guest Star Stephanie Belding Iris Rouse Guest Star Holly Deveaux Rebecca Guest Star Jenny Raven Leigh Guest Star Ariana Williams Madzie Guest Star Phillip MacKenzie Brother Enoch Guest Star Alan Van Sprang Actor McG Executive Producer Todd Slavkin Executive Producer Darren Swimmer Executive Producer Michael Reisz Executive Producer Matthew Hastings Executive Producer Mary Viola Executive Producer Martin Moszkowicz Executive Producer Robert Kulzer Executive Producer