sentences:  Nicotero worked as special make-up effects supervisor, co-executive producer and occasional director for the TV series "The Walking Dead", as well as acting in a few uncredited cameos.He was at the San Diego Comic-Con International for the show.He was a guest on "Talking Dead" on March 24, 2013, October 12, 2014, February 8, 2015, and February 14, 2016.