Katharine O'DonnellyActingPopularity: 0InstagramTwitterIMDbBiographyKatharine O'Donnelly is an actress, known for Mary Queen of Scots (2018), The Head (2020) and Clique (2017).Recent & Upcoming8.5Outlander: Blood of My BloodMaisri • Aug 2025Known For8.5Outlander: Blood of My BloodMaisri7.1The HeadMaggie Mitchell6.6Mary Queen of ScotsYoung Holyrood Servant6.3CliqueGemmaOutsideHeatherFilmographyMovies2TV Shows3AllCast2CrewBrowse All2010s6.6Mary Queen of ScotsYoung Holyrood ServantTBAOutsideHeather
