- Douglas Souza Barcellos - Carlos
- Jon Barton - SWAT Leader
- Nicholas Brendon - Analyst Kevin Lynch
- Bruno Bruni, Jr. - Michael Aldridge
- Michael Francis Cardelle - Bus Boy
- Francesco Curá - Bar Patron
- Matthew Corbett Davis - Gay Bar Patron
- Michael Graziadei - Steven Fitzgerald
- Tom Sean Foley - Coordinator
- Arlo Hemphill - Police Officer
- Spencer Hill - Bartender #2
- Wendy Hoopes - Sarah Fitzgerald
- James Martin Kelly - David Fitzgerald
- David Monahan - Deacon Rogers
- Alan Mueting - BAU Agent
- Jeryl Prescott - Medical Examiner
- Adrian Quinonez - Bartender #1
- Kara Revel - Layla
- Billy Snow - Cards Kid
- Josh Stewart - Detective William LaMontagne, Jr.
- Tia Texada - Detective Tina Lopez
- Jacqueline Wright - Hostel Manager
- "My Way" by Los Lonely Boys
- "Since You've Been Around" by Rosie Thomas
- Jennifer Jareau: "There are no secrets better kept than the secrets that everybody guesses." – George Bernard Shaw
- Jennifer Jareau: "If we knew each other's secrets, what comforts we should find." – John Churton Collins
- The phrase "in heat" refers to estrus, a phase of the estrous cycle (or the sexual cycle) in which a female is sexually receptive.
- Jeryl Prescott, the actress who portrays a medical examiner, also played Judge Delilah Nunes in an episode of Suspect Behavior.
- ↑ Credited as "Hitchhiker"