---
name: "Kat Sieniuc"
canonical: "https://film.one/person/kat-sieniuc"
fi1m_id: "kat-sieniuc"
imdb_id: "nm10668971"
tmdb_id: 3363114
roles: ["Writer"]
reviewed_on_fi1m: 1
average_as: "writer"
average_over: 1
updated: "2026-09-23T13:08:15.914477+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."
---

# Kat Sieniuc

## Identity

Kat Sieniuc

- **Canonical:** https://film.one/person/kat-sieniuc
- **Type:** Person
- **Fi1m ID:** kat-sieniuc
- **IMDb ID:** nm10668971
- **TMDB ID:** 3363114
- **Same entity:** https://www.imdb.com/name/nm10668971/, https://www.themoviedb.org/person/3363114

Writer. Born in Vancouver, British Columbia.

## Details

- **Work:** Writer
- **Elsewhere:** https://www.imdb.com/name/nm10668971/, https://www.themoviedb.org/person/3363114

## Streaming the US now

- **Disney+:** [*High Potential*](https://film.one/tv/high-potential.md) (72)

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

## Biography

Kat Sieniuc is a Canadian screenwriter and former journalist. She began her career as a daily news reporter at The Globe and Mail, covering politics, crime and the courts in Toronto and New York City. She later trained through the Pacific Screenwriting Program in Vancouver.

Her television writing credits include story work on the Netflix series *The Order* (2019–2020), staff writing on the ABC series *High Potential* (2024–2025), and writing on *Memory of a Killer* (2026). She has also worked on Amazon’s adaptation of the podcast *The Left/Right Game*. Sieniuc has received several screenwriting awards and fellowships, including the PAGE International Screenwriting Gold Prize.

*Sources: imdb.com, hnmag.ca, press.thepromotionpeople.ca.*

## On Fi1m (1)

- *High Potential* (2024), Fi1m 72, Writer, Staff Writer — [page](https://film.one/tv/high-potential.md)

## Complete filmography (3)

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

- *Memory of a Killer* (2026), series, Writer
- *High Potential* (2024), series, Staff Writer, Writer — Fi1m 72, [page](https://film.one/tv/high-potential.md)
- *The Order* (2019), series, Story

---
© 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/kat-sieniuc