In 2018, Mignone was named in the cast for the ''
Miss Fisher's Murder Mysteries spin off series Ms Fisher's Modern Murder Mysteries. Mignone appeared for the 2018–19 theatre season of The Club'' by David Williamson. In January 2019, Mignone was announced for the second series of
Secret City. On 21 February 2022, Mignone was announced in the extended cast of
Foxtel's first season of legal drama
The Twelve, based on the Belgian series of the same name. In 2024, Mignone appeared in
Paramount+ Australia series
Fake. On 12 February 2025, Mignone was announced as part of the local cast for
Liam Neeson film
The Mongoose. == Personal life ==