When four men go missing in rural Oregon, the BAU searches for a common link among them in order to track them down. Also, JJ becomes upset when her son Henry doesn't want to celebrate Halloween this year.
- Mekhai Andersen - Henry LaMontagne
- Scott Antonucci - Barry Deaver
- Tom Beyer - Doctor Rowe
- John Churchill - Doctor Edward Gourse
- Paul DiVito - Gary Ellard
- Anne Dudek - Emma Kerrigan
- Hannah Eisenmann - Lexy Kerrigan
- Tammy Garrett - Nurse
- Raquel Houghton - Cara Barrett
- Allison Ikin - Cheryl Winslow
- Matthew Jaeger - Terry Rodgers
- Don Jeanes - Deputy
- Danielle Langlois - Geena Deaver
- Michanne Quinney - Doctor Holly Roettinger
- Coronado Romero - Paul Hicks
- Rebecca Wisocky - Sheriff Olivia Colwin
- Theodore Kaczynski, The Unabomber
- "Honey You" by The Dirty Guv'Nahs
- Spencer Reid: "I became insane, with long intervals of horrible sanity." — Edgar Allan Poe
- Alex Blake: Alfred Austin said, "Show me your garden and I shall tell you who you are."
- Tom Beyer, the man that portrayed Doctor Rowe, also portrayed a searching man in an episode of Suspect Behavior.
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