Jack Shephard
The character of Kate Austen (Evangeline Lilly) is featured in the episode's flashbacks, showing how she got captured in Australia by the US Marshal Edward Mars (Fredric Lane). In the present day events, Jack Shephard (Matthew Fox) and Hugo "Hurley" Reyes (Jorge Garcia) learn that Kate is a convict and fugitive while Jack is trying to save the marshal from the injuries he sustained during the Oceanic Flight 815 plane crash.