Bryan Berlin · CC BY-SA 4.0

David Krumholtz anchored six seasons of the CBS drama Numb3rs as mathematician Charlie Eppes, and decades earlier played memorable supporting roles as a child and young actor in Addams Family Values and 10 Things I Hate About You. He later played physicist Isidor Isaac Rabi in Oppenheimer (2023) and earned a Drama League nomination for his Broadway role in Tom Stoppard's Holocaust drama Leopoldstadt.