2008
Mamma Mia!
She appears as Arina in the film musical.
FLM.REDMIA
SOTERIOU
มีอา โซเทริอู
A career across music and performance
Mia Soteriou is a British actor and musician whose work spans stage, screen and radio.
London, England
A performer shaped by music
London-born Soteriou trained in music before studying English literature. Her work has brought together acting, composition and performance across theatre and radio as well as film and television.
In the film musical Mamma Mia! (2008), she plays Arina. She also appeared as Mirri Maz Duur in the first season of Game of Thrones, a role far removed from the musical’s sunlit setting.
Her work includes radio drama and voice performance alongside screen roles. In Project Hail Mary (2026), she appears as Dr. Browne, adding a science-fiction film to a varied career.
The films listed below are those available on FLM.RED, not her complete filmography.
Roles across screen and sound
2011
Game of Thrones
She plays Mirri Maz Duur in the first season.
2026
Project Hail Mary
She plays Dr. Browne.
Performance readings are FLM.RED editorial interpretation.
Films in FLM.RED
Titles in this collection; not a complete filmography.
Sources & image notes
Portrait illustration: FLM.RED.