<P> Dr. Mark Greene is a fictional medical doctor from the television series ER , portrayed by the actor Anthony Edwards . For most of his time on the series , Greene 's role was that of a mediator and occasional authority figure , and he was considered the main character of the series for the first eight seasons . Mark was also the only original character to die , and his death at the end of Season 8 marked one of the biggest turning points in the series . </P>
<P> Dr. Mark Greene is a fictional medical doctor from the television series ER , portrayed by the actor Anthony Edwards . For most of his time on the series , Greene 's role was that of a mediator and occasional authority figure , and he was considered the main character of the series for the first eight seasons . Mark was also the only original character to die , and his death at the end of Season 8 marked one of the biggest turning points in the series . </P>
what season of er did mark greene died
what season of er did mark greene died
Season 8
Season 8