Joe Otterson TV ReporterSeth MacFarlane’s “Ted” series adaptation at Peacock is taking shape. Variety has learned the live-action comedy has added three new cast members as well as co-showrunners.Firstly, MacFarlane is officially onboard to reprise the voice role of Ted, the foul-mouthed, pot-smoking teddy bear he played in the two “Ted” movies. This is in addition to creating the series and serving as executive producer, director, and co-showrunner.Giorgia Whigham, Max Burkholder, and frequent MacFarlane collaborator Scott Grimes have also been cast in the show. Furthermore, “Modern Family” executive producers Paul Corrigan and Brad Walsh have joined the series to serve as co-showrunners, writers, and executive producers.