'Shameless' Series Finale: Why Emmy Rossum Did Not Appear As Fiona Newsweek 1 hr ago Shameless Season 11, Episode 12 brought the Showtime series to an end in dramatic fashion ( spoilers ahead). One Gallagher did not appear to say goodbye to the show in the finale of Shameless. After months of speculation about whether Fiona would return one last time after Emmy Rossum exited the show, the actor did not make an appearance in the finale episode, titled "Father Frank, Full of Grace." The show had initially planned to have Fiona appear in the finale, but showrunner John Wells revealed to TVLine why Emmy Rossum could not film a last appearance.