Terry O'Quinn initially felt lost in the world of "The Walking Dead." O'Quinn, known for roles in "Lost," "Hawaii Five-0," and "Patriot," makes his debut as CRM Major General Beale in "The Ones Who Live," a series that delves into the Civic Republic Military's history. As O'Quinn's character unravels, he shares his realization of becoming part of the beloved "Walking Dead" universe."Having never watched 'The Walking Dead', I was finally introduced to the zombie phenomenon," O'Quinn explained. "When I realized the popularity, it was like missing a train. By the time I became aware of it, it had gained significant momentum, and I had difficulty catching up."Despite missing the initial opportunity to join "The Walking Dead," O'Quinn found a suitable…