How old was Sienna Mazzone in…

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Sienna Mazzone was 13 in The Source of Shadows as 'Olivia Brown: Banshee'.

Movie Released: Tue, Apr 28 2020

Sienna Mazzone was 10 in Banshee as 'Olivia Brown'.

Movie Released: Sat, Oct 01 2016

Sienna Mazzone was 9 in When Monsters Were Real

Movie Released: Sat, Oct 10 2015

Sienna Mazzone was 9 in The Forbidden Room as 'Inner Child'.

Movie Released: Wed, Oct 07 2015

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Sienna Mazzone was 11+ in The Disappearance as 'Justine'.

TV Show Released: First Air Date
Sun, Oct 01 2017

Sienna Mazzone will be 18+ in Roadside Picnic as 'Bully'.

TV Show Released: First Air Date
Unreleased