Smith appeared as Diona in the miniseries
Spartacus: Gods of the Arena, and feature films
Diagnosis: Death, ''
Sione's 2: Unfinished Business, and The Devil's Rock. She later moved to Australia, where she spent three years attending auditions. Shortly before a planned move to Los Angeles, Smith unsuccessfully auditioned for the role of Phoebe Nicholson in Home and Away'', before she was offered the role of
Denny Miller by the producers. Working with
cinematographer Jessica Charlton, Grace Smith wrote and directed
Flip (2019), a short film in the
Kiwi tradition of "
man alone" stories, but featuring a female
protagonist. In 2024, Smith starred in
Testify as Emmaline Jacobson. ==Personal life==