Leona trained at East 15 Acting School.

Her theatre credits include A Christmas Carol: A Ghost Story (Alexandra Palace and Nottingham Playhouse); Anansi The Spider (Unicorn Theatre); Christmas In The Sunshine (Unicorn Theatre); After Birth (UK Tour); Holes (UK Tour); I'd Rather Go Blind (Omnibus Theatre); The Meeting (Chichester Festival Theatre); My Brother, My Sister and Me (Polka Theatre); The Crucible (UK & Luxembourg Tour); Pride and Prejudice (Crucible, Sheffield Theatres); The Walworth Farce (Olympia Theatre, Dublin) and Girls Like That (Unicorn Theatre).

Leona's television and film credits include The Devil's Hour (Amazon Prime); The Third Day: Autumn (Sky/HBO) and The Scar (no.w.here/HOME Manchester).