In addition to directing, Benny has pursued a parallel career as an actor. His performance in Good Time earned him a nomination for the Independent Spirit Award for Best Supporting Male. He has since appeared in high-profile films including Paul Thomas Anderson’s Licorice Pizza (2021), Kelly Fremon Craig’s Are You There God? It’s Me, Margaret. (2023), and Christopher Nolan’s Oppenheimer (2023).
On television, he co-created, co-wrote, and starred alongside Nathan Fielder and Emma Stone in the Showtime series The Curse (2023).