Ross Marquand Ross Marquand 8/27/81 Actor Biography There is no information about «Ross Marquand» yet. Roles Aaron (Actor) The Walking Dead The Immortal (Actor) Invincible Aquarius (Actor) Invincible Johann Schmidt / Red Skull (Actor) What If...? Ultron (Actor) What If...? Sub-Ultron Sentries (Actor) What If...? Werner (Actor) What If...? Professor X (Actor) X-Men ‘97 Gallery