Katharine O'Donnelly

    Katharine O'Donnelly

    Acting

    5

    Acting Credits

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    Biography

    Katharine O'Donnelly is an actress, known for Mary Queen of Scots (2018), The Head (2020) and Clique (2017).

    Known For

    Outlander: Blood of My Blood

    Outlander: Blood of My Blood

    Maisri

    The Head

    The Head

    Maggie Mitchell

    Mary Queen of Scots

    Mary Queen of Scots

    Young Holyrood Servant

    Clique

    Clique

    Gemma

    Outside

    Outside

    Heather

    Filmography

    Outside

    Outside

    2025

    as Heather

    Outlander: Blood of My Blood

    Outlander: Blood of My Blood

    2025

    as Maisri

    8.6
    The Head

    The Head

    2020

    as Maggie Mitchell

    7.1
    Mary Queen of Scots

    Mary Queen of Scots

    2018

    as Young Holyrood Servant

    6.5
    Clique

    Clique

    2017

    as Gemma

    6.3