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 David Castro Raphael Santiago Guest Star Alisha Wainwright Maia Guest Star Stephanie Belding Iris Rouse Guest Star Nicola Correia-Damude Maryse Lightwood Guest Star Raymond Ablack Raymond Ablack Guest Star Alan Van Sprang Valentine Morgenstern Guest Star Erica Deutschman Eloise Guest Star Ariana Williams Madzie Guest Star 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