- Michael C. Hall (Dexter Morgan)
- Jennifer Carpenter (Debra Morgan)
- Geoff Pierson (Tom Matthews)
- David Zayas (Angel Batista)
- James Remar (Harry Morgan)
- Aimee Garcia (Jamie Batista)
- Desmond Harrington (Joseph Quinn)
- C.S. Lee (Vince Masuka)
Dexter — S4E5
Episode: Dirty Harry
Air Date: 2009-10-25
Runtime: 49 min
Overview
Dexter is inspired to investigate the Trinity Killer on his own, while Debra blames herself for an event that was out of her control, and Rita realizes how little she knows her husband after discovering one of his secrets.