Earlier this month rising Welsh star Aneurin Barnard was cast in the title role of Mariah Mundi in Mariah Mundi and The Midas Box the film adaptation of G.P Taylor's novel, and the first film in a potential franchise.
Mella attends the Independent Theatre Workshop in Dublin (of which Game of Thrones' Jack Gleeson is also a graduate). She has had previous small screen roles in Death of a Superhero and Camelot.
Newcomer Xavier Atkins from Buckinghamshire stars as Mariah Mundi's young brother Felix. Xavier attends the Peploe-Williams Academy, the same theatre school as Sadie Jones star Georgia Lock.
The film, directed by Jonathan Newman (Foster) is set to start shooting on Monday.