From secret children to natural disasters to cowboys, 9-1-1: Nashville truly has it all - but who are the characters creating all the chaos? In Us Weekly's exclusive first look at the 9-1-1 spinoff, which premieres Thursday, October 9, fans get a glimpse at the ABC drama that stars Chris O'Donnell, Jessica Capshaw, LeAnn Rimes and Kimberly Williams-Paisley. Hailey Kilgore, Michael Provost, Juani Feliz and Hunter McVey make up the rest of the cast.