Katharine O'DonnellyActingShareKatharine O'Donnelly is an actress, known for Mary Queen of Scots (2018), The Head (2020) and Clique (2017).Known forAdd7.1The Head2020 · Series · Maggie MitchellAdd8.5Outlander: Blood of My Blood2025 · Series · MaisriAdd6.3Clique2017 · Series · GemmaAdd6.5Mary Queen of Scots2018 · Young Holyrood ServantYearPopularTop ratedAll acting creditsAdd8.5Outlander: Blood of My Blood2025 · Series · MaisriAdd7.1The Head2020 · Series · Maggie MitchellAdd6.5Mary Queen of Scots2018 · Young Holyrood ServantAdd6.3Clique2017 · Series · GemmaIn developmentAddOutsideHeather
