David Klein is a Canadian-American film and television actor who made his feature debut alongside Nicolas Cage in A24's Dream Scenario (2023). He has since appeared in Disney+'s Out of My Mind (2024) and Lionsgate's Everything's Going to Be Great (2025), and will next be seen in the indie feature The Fallers.

On television, Klein has worked across major networks and streamers, with recent roles in Boston Blue (2025), Brilliant Minds (2024), and Sheriff Country (2025). He will appear in upcoming episodes of Law & Order Toronto: Criminal Intent (2024), Netflix's Something Very Bad Is Going to Happen (2026), and Crave's Slo Pitch (2026). He recurs in Benito Skinner's A24/Prime Video series, Overcompensating (2025), and in Atomic Monster's thriller series, 56 Days (2026).

Born and raised in Toronto to a Jewish-Italian family, Klein began performing in youth theater before studying drama at Etobicoke School of the Arts and NYU Tisch.

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David Klein at The Road to the Golden Globes TIFF Party

David Klein at Advance Screening of Brother Talkback

Adam DiMarco, Benito Skinner, Corteon Moore, Mary Beth Barone, Holmes, Rish Shah, and Wally Baram in Overcompensating (2025)

Avan Jogia and Dove Cameron in 56 Days (2026)

David Klein(XXVII)

David Klein(XXVII)

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