- Michael Stuhlbarg Larry Gopnik
- Richard Kind Tío Arthur
- Adam Arkin El abogado
- Fred Melamed Sy Ableman
- Sari Lennick Judith Gopnik
- Aaron Wolff Danny Gopnik
- Jessica McManus Sarah Gopnik
- Amy Landecker Sra. Samsky
- Michael Lerner Solomon Schlutz
- Simon Helberg Rabbi Scott