- Robert believes that voting is very important and that people should get more involved in politics.
- Robert appeared in the music video for Macy Gray called "Do Something."
- Robert went to boarding school when he was fifteen years old.
- The first concert Robert ever attended was an Eric Clapton/Elton John concert at Dodgers Stadium.
- Robert is against smoking.
- Robert's favorite bands are The Ramones, Queen, Black Sabbath, The Cars, and Billy Idol.
- Robert enjoys swimming, bowling, and baking.
- Robert is of Italian and Jewish descent.
- Robert is the son of Jason Schwartzman and Talia Shire.
- Robert and his band, Rooney, played in the coutrywide music festival called Lollapalooza in June of 2003.
- Robert comes from a family full of talented actors and musicians.
- For a short while Robert left the band to attend college in New York. But he dropped out to resume his musical career.
- Robert wants to be recognized as both a musician and an actor.
- Robert hates people who are fake and thinks that they should just be themselves.
- Robert loves Panda Express.
- Robert likes Italian and Chinese food.
- Robert's favorite tv shows are The Simpsons, The Twilight Zone, The Outer Limits, Family Guy, The Ben Stiller Show, Fear Factor, Jackass, Late Night with Conan O' Brien, Crank Yankers, Saturday Night Live, MTV Cribs, and Making the Video.
- Robert's favorite movies are The Never Ending Story, Three Amigos, Labyrinth, Big Trouble in Little China, and Ghost Busters.
- Robert is the youngest of four siblings.
- Robert has two pugs, Stella and Bella, and a french bulldog named Boris.
- Robert's shoe size is 10.
- Robert has hazel-green eyes and brown hair.
- Robert was in the movie The Virgin Suicides.
- Robert has gone through many phases of wanting a name change.
- Robert is the grandson of composer Carmine Coppola and Italia Coppola.
- Robert and his band went on tour with the band Travis.
- Robert and his band made an appearance on the show that his brother's song is the theme song, The OC.
- Robert is the half-brother of John Schwartzman and Stephanie Schwartzman.
- Robert graduated Windward School in West Los Angeles in 2001.
- Robert changed his name to Robert Schwartzman-Cage in honor of his cousin, Nicholas Cage.
- Robert's band, Rooney is named after the principal in the 80s classic film, Ferris Bueller's Day Off.
- Robert's band was originally named Ed Rooney but shortened it to Rooney.
- Robert wanted to change his name to Robert Carmine, in honor of his grandfather Carmine Coppola.
- In 2002, Robert took time out from acting and focused on music.
- Robert won the role in The Princess Diaries due to his musical ability.
- Robert's breakthrough performance was in The Princess Diaries.
- Robert was featured in his cousin Sofia Coppola's first short film Lick the Star.
- Robert's was born into one of the film industry's most famous families.
- Robert's astrological sign is a Capricorn.
- Robert is 5 feet 8 inches tall.
- Robert was in the movie The Princess Diaries.
- Robert: I never really considered myself an actor because I never pursued it. Really, it was all about my band even before I got the part in the movie. I’ve always been real close to film world. I love film, and I will do things in film, but music is more satisfying. It feels more like me.
- Robert: (about him and his brother being in the acting business) Our mother tried to discourage both of us from being actors, but once we'd made it clear we wanted to give it a try, she was there for us 100 percent.
- Robert: When I was 10, my mother let me be a production assistant on her movie One Night Stand. It was so exciting working on a film rather than just sitting there watching everyone else work. I think that's when I got hooked.
