With a new guard of showrunners and a couple new faces in the cast, Fear the Walking Dead wasted no time in digging into the upcoming fourth season of the AMC drama at Wondercon. Moderated by Walking Dead ambassador Chris Hardwick, showrunners and behind the camera brass Scott Gimple, Andrew Chambliss, Ian Goldberg, and Greg Nicotero were joined on stage by Colman Domingo, Alycia Debnam-Carey, Danay Garcia, Lennie James, as well as newcomers Maggie Grace, Garrett…