Daisy Betts. Actress: Chicago Fire. Daisy Betts is an Australian actress best known for her role as Lieutenant Grace Shepard in ABC's 2012 TV series "Last Resort." She also starred as firefighter Rebecca Jones in "Chicago Fire." She worked alongside Kathy Bates, Alfred Molina, and Jean Smart in NBC's "Harry's Law" and had roles in "Girlfriend's Guide to Divorce", "Castle", and "Persons Unknown."