**David Harbour’s frontrunner status in the Outstanding Supporting Actor in a Limited or Anthology Series or Movie category stems primarily from his acclaimed performance as Floyd in the HBO limited series “DTF St. Louis,” which earned 13 Emmy nominations overall and placed multiple cast members in supporting races.** The show’s strong critical reception, streaming performance, and ensemble strength have boosted Harbour’s implied probability, though analysts note the risk of vote-splitting with co-nominees Jason Bateman and Richard Jenkins. Charles Melton’s 23.5% reflects solid momentum from his standout work in Netflix’s “Beef” Season 2, building on prior recognition and the series’ limited-series frontrunner positioning. Lower odds for Nick Offerman, Richard Gadd, and others track with comparatively lighter precursor buzz and mixed reception for their projects amid final-round voting that concluded in late August.