[2] His follow-up Glassland starred Jack Reynor as a young man who tries to help his mother (Toni Collette).

[3] In 2015, Barrett filmed Brain on Fire based on the book of the same name, starring Chloë Grace Moretz in New York City and Canada.

[1][4] His television mini-series Smalltown was screened in Ireland in September 2016.

In 2017, his movie, Limbo premiered at the 29th Galway Film Fleadh,[5] and his hour-long drama, Honey, was sold to FX.

[6] Barrett attended St Michael's College, Listowel.