WATCH: A 'young and feisty' Saoirse Ronan making her debut in RTE series Proof
She's one of Hollywood's most bankable young stars, but Saoirse Ronan honed her skills in the early days on RTE productions.
The Brooklyn star (23) has two Oscar nominations under her belt and will next be seen in Mary Queen of Scots
However, years before she bagged herself an Oscar nomination for her role in Atonement, Saoirse played Orla Boland in RTE series Proof.
She was just nine years old and fresh from a stint on The Clinic.
RTE has released this clip of her Proof debut to promote the release of the box set on RTE Player.