Star of “The Walking Dead” Christian Serratos says the show’s ninth season has “a whole new flavor” with the introduction of the new enemy group called the Whisperers. reports Serratos, who plays Rosita Espinosa on the series, said at Walker Stalker Con Atlanta, “I feel like we constantly try to outdo ourselves in terms of hope on the show and love on the show and what you’ll do to survive and explosions and fun things, and I feel like this season, it does the same thing.