JM

    Justin Markham

    Acting

    2

    Acting Credits

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    Known For

    Descent

    Descent

    Dr. Richard Emerson

    (Not So) Great Expectations

    (Not So) Great Expectations

    Doctor Sam Jefferies

    Filmography

    Descent

    Descent

    2025

    as Dr. Richard Emerson

    (Not So) Great Expectations

    (Not So) Great Expectations

    2022

    as Doctor Sam Jefferies