“The Debut” ended London Film Festival on a high note Sunday night as director Jesse Eisenberg and star Julianne Moore gushed over each other to a packed audience at the Royal Festival Hall. “I mean, this movie stars my favorite person, Julianne Moore,” Eisenberg began as the duo came onstage to introduce the musical comedy.
It’s rare these days to find comedy and humanity on the same plate — and even more rare to see comedy nuzzling up to mystery. (I don’t mean mystery as in crime-solving; I mean the mystery of existence.) But Jesse Eisenberg’s “The Debut,” a small-town-theater comedy driven by big ideas, is a funny and dizzying