Trivia: Nick and Norah's Infinite Playlist
- Creator Cameo: Rachel Cohn and David Leviathan, the writers of the book, are at the table next to Nick and Norah at the diner.
- Screenwriter Lorene Scafaria gets one as well. She's the one making out with Seth Meyers in the back of the Yugo.
- Hey, It's That Guy!: Andy Samberg, John Cho, Seth Meyers, Devendra Banhart...
- The band which Nick's band The Jerk-Offs opens up for is the real indie band Bishop Allen.
- What Could Have Been: Both Dennings and Cera recorded voice-overs that matched the first person narrations of Nick and Norah from the original book. However, it was dropped in the final cut.