Person

Matthew Shear

Acting · Born 1984-10-10 · New York City, New York, USA

Matthew Louis Shear is an American actor known for his work in independent film and frequent collaborations with director Noah Baumbach. He began his career with a small role in Taking Woodstock (2009) and appeared in Mistress America (2015), The Meyerowitz Stories (New and Selected) (2017), and Marriage Story (2019), and played Lucius Isaacson on The Alienist (2018–2020). In 2025, he made his directorial debut with Fantasy Life, which he also wrote and starred in.

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  The Alienist

  Lucius Isaacson

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  Love Life

  Ben

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  Old

  Sidney

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  Marriage Story

  Terry - Theater Actor

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  Horace and Pete

  Zach

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  Taking Woodstock

  Earthlight Player

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  While We're Young

  Benny

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  Mistress America

  Tony

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  Cubby

  Lars

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  The Meyerowitz Stories (New and Selected)

  Gabe

• 2026Fantasy LifeSam
• 2024Between the TemplesNat
• 2021OldSidney
• 2020Love LifeBen
• 2019CubbyLars
• 2019Marriage StoryTerry - Theater Actor
• 2019Treasure TroubleJake
• 2018The Boy DownstairsBen
• 2018The AlienistLucius Isaacson
• 2017The Meyerowitz Stories (New and Selected)Gabe
• 2016Horace and PeteZach
• 2015Mistress AmericaTony
• 2015The Statistical Analysis of Your Failing Relationship
• 2015While We're YoungBenny
• 2014Don PeyoteZebra Shaman
• 2009Taking WoodstockEarthlight Player
• —ElijahLouis