- In the summer of 2007, Chris adopted a kitten from Bulgaria, and named her Motska.
- Chris and his Joan of Arcadia co-star Jason Ritter also starred together in the 2003 film Freddy Vs Jason.
- Chris once said in an interview that his dream role would be to play an Italian gangster.
- Chris won the Giffoni Film Festival Award Bronze Gryphon for 'Best Actor' for the TV movie The Tic Code where he played a young boy with Tourette's Syndrome.
- Chris performed on Broadway as 'Tiny Tim' in A Christmas Carol and in the drama An Inspector Calls.
- Chris began modeling at the age of four in Dallas, and worked in commercials and industrial films throughout Texas.
- Chris currently lives in Los Angeles, California.
- Chris is the older brother of actors, Eric Marquette and Sean Marquette.
- Chris has been the voice of the infamous Trix cereal rabbit, as well as that of Count Chocula. He has also done voiceovers for Lucky Charms and Coco Puffs cereal commercials.
- In 1999, Chris attended his high school homecoming dance with actress, Christy Carlson Romano, whom he met when he guest-starred on her TV series "Even Stevens".
- Chris: I prefer drama, but comedy is different and unique. Dark comedy is the hardest… It’s fun and challenging.
- Chris: It gets a better reaction when you're not telling people what to think or what to know. You're creating more interesting characters, and it's a lot more real. Natural is comfortable.
