- Paid tribute to his grandfather Pedro Gonzalez Gonzalez, a character actor who appeared in several John Wayne films, by using the name Clifton Gonzalez Gonzalez early in his career.
- Learned to tap dance when he was 7.
- Played Little League baseball as a youth.
- Contributes to a Web channel, The TV Fantastic.
- Directed music videos for the Zac Brown Band and Jamey Johnson.
- Enjoys country music.
- 2005, Screen Actors Guild Awards — Outstanding Performance by a Cast in a Motion Picture: Nominee
- 2006, Emmy — Outstanding Supporting Actor in a Miniseries or a Movie: Nominee
- 2000, Screen Actors Guild Awards — Outstanding Performance by a Cast in a Motion Picture: Winner
- Clifton Collins — Father
- Pedro Gonzalez Gonzalez — Grandfather
- Leandra Gonzalez — Grandmother
- Veronica Collins Rooney — Sister
- Debi Mazar — Ex-significant Other
- Emmanuelle Chriqui — Ex-significant Other