---
name: "Erin Armstrong"
canonical: "https://film.one/person/erin-armstrong"
roles: ["Actor"]
born: "18 September 1995"
reviewed_on_fi1m: 1
average_as: "actor"
average_over: 1
updated: "2026-09-17T15:23:37.747983+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Erin Armstrong

Actor. Born 18 September 1995 in Scotland.

## Details

- **Work:** Actor
- **Born:** 18 September 1995, Scotland
- **Elsewhere:** https://www.wikidata.org/wiki/Q64846570, https://www.imdb.com/name/nm5564796/, https://www.themoviedb.org/person/1347004

## Streaming the US now

- **Apple TV:** [*Shetland*](https://film.one/tv/shetland.md) (62)

For United States; add `?region=XX` for another country.

## Biography

Erin Armstrong is a Scottish actress. She was born on 18 September 1995 in Houston, Renfrewshire.

She began performing at PACE Youth Theatre and secured her breakout role as Cassie Perez in the BBC series *Shetland* (2013–2022) through an open audition while studying psychology at Glasgow University. She appeared in 27 episodes across the series. Other television credits include *World's End* (2015) as Mackenzie, *Rillington Place* (2016) as Hectorina, *Glasgow Girls* (2014) as Emma, and *River City* (2014).

Armstrong made her professional stage debut playing Lena Zavaroni in the 2022 production *Lena*. She is also a qualified primary school teacher.

*Sources: imdb.com, millmagazine.co.uk, sundaypost.com.*

## On Fi1m (1)

- *Shetland* (2013), Fi1m 62, as Cassie Perez — [page](https://film.one/tv/shetland.md)

## Complete filmography (5)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *Lena Zavaroni: The Forgotten Child Star* (2024), as Lena Zavaroni
- *Bunny* (2018), Acting
- *World's End* (2015), series, as Mackenzie
- *Glasgow Girls* (2014), as Emma
- *Shetland* (2013), series, as Cassie Perez — Fi1m 62, [page](https://film.one/tv/shetland.md)

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/erin-armstrong