Mumford will recur as Hope Jacquinot, an old friend of paramedic Sylvie Brett (Kara Killmer). She is described as a playful, charming girl-next-door turned up a notch who has sprung free of her tiny hometown in Indiana to hit the streets of Chicago.
Pierce will play Alderman Ray Price, a shrewd, intelligent and determined Teflon politician who seemingly plays neutral and picks sides all at once.