---
name: "Halley Gross"
canonical: "https://film.one/person/halley-wegryn-gross"
fi1m_id: "halley-wegryn-gross"
imdb_id: "nm1429723"
tmdb_id: 1217567
wikidata_id: "Q1571688"
roles: ["Writer"]
born: "27 December 1985"
reviewed_on_fi1m: 3
average_fi1m_score: 77
average_as: "writer"
average_over: 3
updated: "2026-09-23T13:38:43.501457+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."
---

# Halley Gross

## Identity

Halley Gross

- **Canonical:** https://film.one/person/halley-wegryn-gross
- **Type:** Person
- **Fi1m ID:** halley-wegryn-gross
- **IMDb ID:** nm1429723
- **TMDB ID:** 1217567
- **Wikidata ID:** Q1571688
- **Same entity:** https://en.wikipedia.org/wiki/Halley_Gross, https://www.wikidata.org/wiki/Q1571688, https://www.imdb.com/name/nm1429723/, https://www.themoviedb.org/person/1217567

Writer. Born 27 December 1985 in Fort Myers, Florida, USA.

## Details

- **Work:** Writer
- **Born:** 27 December 1985, Fort Myers, Florida, USA
- **Active:** 2013–present
- **Also known as:** Halley Wegryn Gross
- **Frequently works with:** [Stephen Williams](https://film.one/person/stephen-williams.md)
- **Average Fi1m score:** 77, as writer, over 3 titles
- **Fi1m score by decade:** 2010s 73 (2), 2020s 85 (1)
- **Fi1m against the critics:** 77 to 81 across 3 titles
- **Score spread:** 1 at 80+, 2 at 60–79, 0 under 60
- **Genres:** Drama 2, Crime 1, Sci-Fi & Fantasy 1, Western 1
- **Elsewhere:** https://en.wikipedia.org/wiki/Halley_Gross, https://www.wikidata.org/wiki/Q1571688, https://www.imdb.com/name/nm1429723/, https://www.themoviedb.org/person/1217567

## Streaming the US now

- **HBO Max:** [*The Last of Us*](https://film.one/tv/the-last-of-us.md) (85)
- **Apple TV:** [*Banshee*](https://film.one/tv/banshee.md) (72)

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

## Biography

Halley Wegryn Gross, also credited as Halley Gross, is an American screenwriter, producer and former actress. She studied at New York University, earning an undergraduate degree from the Gallatin School in 2008 and a master's in dramatic writing from the Tisch School of the Arts in 2010.

Gross began her career with acting roles in television series including *Law & Order: Special Victims Unit* and films such as *Across the Universe* (2007). She later focused on writing, contributing episodes to *Banshee* (2015) and *Westworld* (2016). She co-wrote the video game *The Last of Us Part II* (2020) with Neil Druckmann and has written for the HBO series *The Last of Us* (2023), serving as co-executive producer on later seasons. Her other credits include *Too Old to Die Young* (2019) and *Batman: Caped Crusader* (2024). She has received Writers Guild of America awards and game writing accolades.

*Sources: en.wikipedia.org, imdb.com.*

## On Fi1m (3)

- *The Last of Us* (2023), Fi1m 85, Writer, Co-Executive Producer — [page](https://film.one/tv/the-last-of-us.md)
- *Westworld* (2016), Fi1m 74, Writer, Story Editor — [page](https://film.one/tv/westworld-2016.md)
- *Banshee* (2013), Fi1m 72, Writer — [page](https://film.one/tv/banshee.md)

## Complete filmography (21)

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

- *Batman: Caped Crusader* (2024), series, Writer, Consulting Producer
- *Trigger Warning* (2024), Writer
- *The Last of Us* (2023), series, Co-Executive Producer, Writer, Video Game — Fi1m 85, [page](https://film.one/tv/the-last-of-us.md)
- *The Last of Us: Ellie's Revenge* (2021), Story
- *Too Old to Die Young* (2019), series, Writer, Consulting Producer
- *Emerald City* (2017), series, Story
- *Westworld* (2016), series, Writer, Story Editor — Fi1m 74, [page](https://film.one/tv/westworld-2016.md)
- *The Heart Machine* (2014), as Sarah
- *The Sleepwalker* (2014), Original Story
- *Broad City* (2014), series, as Parker Luxton — Fi1m 80, [page](https://film.one/tv/broad-city.md)
- *Jerome's Bouquet* (2013), as Holly Hempstone
- *Banshee* (2013), series, Writer — Fi1m 72, [page](https://film.one/tv/banshee.md)
- *The Good Wife* (2009), series, as Judith Broussard — Fi1m 84, [page](https://film.one/tv/the-good-wife.md)
- *The Babysitters* (2008), as Nadine Woodberg
- *Lying* (2008), as Hella
- *Gossip Girl* (2007), series, as Harper
- *Across the Universe* (2007), as Max's Girl
- *Beautiful Kid* (2003), as Linda
- *Law & Order: Criminal Intent* (2001), series, as Nancy Williams
- *Third Watch* (1999), series, as Madeline
- *Law & Order: Special Victims Unit* (1999), series, as Laurie

## Gallery

- ![Halley Gross](https://film.one/media/person/46635/gallery-7a0d49a77dad.jpg) Halley Gross — GamerBraves, CC BY-SA 4.0, via Wikimedia Commons (https://upload.wikimedia.org/wikipedia/commons/9/90/Halley_Gross%2C_The_Last_of_Us_Part_II%2C_Outbreak_Day_2019_%28cropped%29.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled)
- ![Halley Gross](https://film.one/media/person/46635/gallery-7be61e140826.jpg) Halley Gross — Image via TMDB

---
© 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/halley-wegryn-gross