Chris O’Donnell sits down with ET’s Nischelle Turner to talk all things ‘9-1-1: Nashville,’ airing Thursdays on ABC and streaming on Hulu. He praises ‘9-1-1’ stars Oliver Stark and Ryan Guzman, who join him on screen for a special crossover episode, and gushes over his ‘NCIS: LA’ co-star LL COOL J, suggesting he’s working on getting the rapper to make a cameo on his new series. Chris also reacts to his first ET interview, a 1990 sit-down in which his original, thick Chicago accent is on full display.
