SERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsMaxSIGN INSIGN UP FORSERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsMaxSIGN INSIGN UP FORmax-style Luck About Season Jo Carter Played by Jill Hennessy Jo is a race track veterinarian who cares for the horses in Escalante's barn. Savvy and no-nonsense, she can give back whatever Escalante tries to dish out.