He is best known for his roles in Jurassic World: Fallen Kingdom (2018), Detective Pikachu (2019), All the Bright Places (2020), Dungeons & Dragons: Honor Among Thieves (2023), and I Saw the TV Glow (2024).

[3] In 2014, Smith appeared in Nickelodeon's superhero comedy series The Thundermans, playing Angus in two episodes.

[8] Smith also appeared opposite Lucas Hedges in the Off-Broadway stage production of Yen by playwright Anna Jordan.

Smith played Jack in The Importance of Being Earnest by Oscar Wilde and Dennis Ziegler in This Is Our Youth by Kenneth Lonergan.

The reading raised funds for nonprofit organization including Mount Sinai Medical Center.