---
name: "Leah Katznelson"
canonical: "https://film.one/person/leah-katznelson"
fi1m_id: "leah-katznelson"
imdb_id: "nm1493173"
tmdb_id: 971528
roles: ["Costume designer"]
reviewed_on_fi1m: 3
average_fi1m_score: 71
average_over: 3
updated: "2026-10-01T04:03:32.902528+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."
---

# Leah Katznelson

## Identity

Leah Katznelson

- **Canonical:** https://film.one/person/leah-katznelson
- **Type:** Person
- **Fi1m ID:** leah-katznelson
- **IMDb ID:** nm1493173
- **TMDB ID:** 971528
- **Same entity:** https://www.imdb.com/name/nm1493173/, https://www.themoviedb.org/person/971528

Costume designer.

## Details

- **Work:** Costume designer
- **Active:** 2017–present
- **Also known as:** Leah Katz-Nelson 
- **Fi1m against the critics:** 71 to 72 across 3 titles
- **Score spread:** 1 at 80+, 1 at 60–79, 1 under 60
- **Genres:** Drama 2, Crime 1, Mystery 1
- **Elsewhere:** https://www.imdb.com/name/nm1493173/, https://www.themoviedb.org/person/971528

## Streaming the US now

- **Peacock:** [*Poker Face*](https://film.one/tv/poker-face.md) (82)
- **Disney+:** [*Fleishman Is in Trouble*](https://film.one/tv/fleishman-is-in-trouble.md) (74)
- **HBO Max:** [*White House Plumbers*](https://film.one/tv/white-house-plumbers.md) (58)

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

## Biography

Leah Katznelson is a costume designer. Raised in New York, she earned a degree in architecture from Columbia University and began working in the film and television industry in the art department before moving into costume design.

She has designed costumes for the films *21 Jump Street* (2012), *How to Be Single* (2016), *Demolition* (2016), *Rough Night* (2017), *Stronger* (2017), *Collateral Beauty* (2016), *Don Jon* (2013) and *Isn't It Romantic* (2019). Her television credits include *Living with Yourself* (2019), *Fleishman Is in Trouble* (2022), *White House Plumbers* (2023), episodes of *Feud* (2024) and the second season of *Poker Face* (2025). She won a Creative Arts Emmy for her work on *Feud*.

*Sources: imdb.com, college.columbia.edu, shopyourtv.com.*

## On Fi1m (3)

- *Poker Face* (2023), Fi1m 82, Costume design — [page](https://film.one/tv/poker-face.md)
- *White House Plumbers* (2023), Fi1m 58, Costume design, Costume Design — [page](https://film.one/tv/white-house-plumbers.md)
- *Fleishman Is in Trouble* (2022), Fi1m 74, Costume design, Costume Design — [page](https://film.one/tv/fleishman-is-in-trouble.md)

## Complete filmography (30)

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

- *Tow* (2026), Costume Design
- *Stumble* (2025), series, Costume Design
- *Genie* (2023), Costume Design
- *White House Plumbers* (2023), series, Costume Design — Fi1m 58, [page](https://film.one/tv/white-house-plumbers.md)
- *Poker Face* (2023), series, Costume Design — Fi1m 82, [page](https://film.one/tv/poker-face.md)
- *Fleishman Is in Trouble* (2022), series, Costume Design — Fi1m 74, [page](https://film.one/tv/fleishman-is-in-trouble.md)
- *Mrs. Fletcher* (2019), series, Costume Designer
- *Living with Yourself* (2019), series, Costume Designer
- *Isn't It Romantic* (2019), Costume Design
- *Private Life* (2018), Costume Design
- *Stronger* (2017), Costume Design
- *Rough Night* (2017), Costume Design
- *Collateral Beauty* (2016), Costume Design
- *Demolition* (2016), Costume Design
- *How to Be Single* (2016), Costume Design
- *Sleeping with Other People* (2015), Costume Designer
- *Men, Women & Children* (2014), Costume Design
- *Enough Said* (2013), Costume Design
- *Don Jon* (2013), Costume Design
- *21 Jump Street* (2012), Costume Designer
- *The Sitter* (2011), Costume Design
- *Margaret* (2011), Assistant Costume Designer — Fi1m 78, [page](https://film.one/film/margaret.md)
- *A Good Old Fashioned Orgy* (2011), Costume Design
- *Big Mommas: Like Father, Like Son* (2011), Costume Design
- *Eve* (2008), Costume Design
- *The Love Guru* (2008), Assistant Costume Designer
- *The Visitor* (2008), Assistant Costume Designer
- *No Reservations* (2007), Assistant Costume Designer
- *8MM 2* (2005), Costume Assistant
- *Romance & Cigarettes* (2005), Costume Assistant

---
© 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/leah-katznelson