- Joe Mantegna (David Rossi)
- Paget Brewster (Emily Prentiss)
- Adam Rodriguez (Luke Alvez)
- Kirsten Vangsness (Penelope Garcia)
- A.J. Cook (Jennifer Jareau)
- Aisha Tyler (Dr. Tara Lewis)
- Zach Gilford (Elias Voit)
- Ryan-James Hatanaka (Tyler Green)
Episode: Parasite
Air Date: 2010-02-03
Runtime: 39 min
The BAU follows the mental decline of a con artist whose schemes have become so complicated that he begins to eliminate the people involved in them.