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Leah Katznelson

  • Costume Designer
  • Costume and Wardrobe Department
  • Production Department
IMDbProStarmeterSee rank
Leah is an Emmy Award nominated Costume Designer. Raised in New York, she got her degree in Architecture from Columbia University before beginning her foray into the world of film and television. Leah is know for her work on "Fleishman Is In Trouble" (2022) and "White House Plumbers" (2023) and "Mrs. Fletcher" (2019).
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    • Won 1 Primetime Emmy
      • 1 win & 1 nomination total

    Known for

    Channing Tatum and Jonah Hill in 21 Jump Street (2012)
    21 Jump Street
    7.2
    • Costume Designer
    • 2012
    Aaron Eckhart and Catherine Zeta-Jones in No Reservations (2007)
    No Reservations
    6.4
    • Costume and Wardrobe Department
    • 2007
    Leslie Mann, Dakota Johnson, Alison Brie, and Rebel Wilson in How to Be Single (2016)
    How to Be Single
    6.1
    • Costume Designer
    • 2016
    Rebel Wilson in Isn't It Romantic (2019)
    Isn't It Romantic
    5.9
    • Costume Designer
    • 2019

    Credits

    IMDbPro

    Costume Designer

    • Kristin Chenoweth, Taran Killam, and Jenn Lyon in Stumble (2025)
      Stumble
      7.4
      TV Series
      • Costume Designer
      • 2025–2026
    • Natasha Lyonne in Poker Face (2023)
      Poker Face
      7.7
      TV Series
      • Costume Designer
      • 2025
    • Rose Byrne in Tow (2025)
      Tow
      6.3
      • Costume Designer
      • 2025
    • Diane Lane, Demi Moore, Molly Ringwald, Calista Flockhart, Chloë Sevigny, and Naomi Watts in Feud (2017)
      Feud
      8.3
      TV Series
      • Costume Designer
      • 2024
    • Melissa McCarthy and Paapa Essiedu in Genie (2023)
      Genie
      5.9
      • Costume Designer
      • 2023
    • Woody Harrelson and Justin Theroux in White House Plumbers (2023)
      White House Plumbers
      6.8
      TV Mini Series
      • Costume Designer
      • 2023
    • Claire Danes and Lizzy Caplan in Fleishman Is in Trouble (2022)
      Fleishman Is in Trouble
      7.7
      TV Mini Series
      • Costume Designer
      • 2022
    • Brittany O'Grady in Little Voice (2020)
      Little Voice
      7.2
      TV Series
      • Costume Designer
      • 2020
    • Paul Rudd in Living with Yourself (2019)
      Living with Yourself
      7.1
      TV Mini Series
      • Costume Designer
      • 2019
    • Rebel Wilson in Isn't It Romantic (2019)
      Isn't It Romantic
      5.9
      • Costume Designer
      • 2019
    • Kathryn Hahn in Mrs. Fletcher (2019)
      Mrs. Fletcher
      7.1
      TV Mini Series
      • Costume Designer
      • 2019
    • Daryl Edwards, Matt Long, Luna Blaise, Josh Dallas, J.R. Ramirez, Holly Taylor, Melissa Roxburgh, Parveen Kaur, and Ty Doran in Manifest (2018)
      Manifest
      7.0
      TV Series
      • Costume Designer
      • 2018
    • Paul Giamatti and Kathryn Hahn in Private Life (2018)
      Private Life
      7.2
      • Costume Designer
      • 2018
    • Jake Gyllenhaal in Stronger (2017)
      Stronger
      6.9
      • Costume Designer
      • 2017
    • Scarlett Johansson, Kate McKinnon, Zoë Kravitz, Jillian Bell, and Ilana Glazer in Rough Night (2017)
      Rough Night
      5.3
      • Costume Designer
      • 2017

    Costume and Wardrobe Department

    • Saturday Night Live (1975)
      Saturday Night Live
      8.0
      TV Series
      • assistant costume designer
      • associate costume designer
      • 2013–2021
    • Anna Paquin in Margaret (2011)
      Margaret
      6.5
      • assistant costume designer
      • 2011
    • Catherine Zeta-Jones and Justin Bartha in The Rebound (2009)
      The Rebound
      6.3
      • costume shopper
      • 2009
    • Anne Hathaway and Kate Hudson in Bride Wars (2009)
      Bride Wars
      5.5
      • assistant costume designer
      • 2009
    • The Starter Wife (2008)
      The Starter Wife
      6.5
      TV Series
      • shopper
      • 2008
    • Alec Baldwin, Jane Krakowski, Tina Fey, Tracy Morgan, and Jack McBrayer in 30 Rock (2006)
      30 Rock
      8.3
      TV Series
      • shopper
      • 2008
    • Mike Myers, Jessica Alba, Justin Timberlake, Romany Malco, and Verne Troyer in The Love Guru (2008)
      The Love Guru
      3.8
      • assistant costume designer
      • 2008
    • Synecdoche, New York (2008)
      Synecdoche, New York
      7.5
      • shopper (uncredited)
      • 2008
    • Craig Bierko, Rashida Jones, Shaun Majumder, and Johnny Sneed in Unhitched (2008)
      Unhitched
      5.6
      TV Series
      • key costumer
      • 2008
    • Richard Jenkins and Danai Gurira in The Visitor (2007)
      The Visitor
      7.6
      • assistant costume designer
      • 2007
    • Aaron Eckhart and Catherine Zeta-Jones in No Reservations (2007)
      No Reservations
      6.4
      • assistant costume designer
      • 2007
    • Skeet Ulrich in Jericho (2006)
      Jericho
      7.9
      TV Series
      • key costumer (uncredited)
      • 2007
    • Vacancy (2007)
      Vacancy
      6.2
      • costumer
      • 2007
    • Re-Animated (2006)
      Re-Animated
      2.9
      TV Movie
      • assistant costume designer
      • 2006
    • Hood of Horror (2006)
      Hood of Horror
      4.1
      • costume buyer
      • 2006

    Production Department

    • Kim Cattrall, Sarah Jessica Parker, Kristin Davis, and Cynthia Nixon in Sex and the City (1998)
      Sex and the City
      7.4
      TV Series
      • production staff
      • 2003–2004

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