- Jared Padalecki (Sam Winchester)
- Jensen Ackles (Dean Winchester)
- Misha Collins (Castiel)
Supernatural — S4E16
Episode: On the Head of a Pin
Air Date: 2009-03-19
Runtime: 43 min
Overview
Can torture be God's work? After seven angels are mysteriously murdered, Castiel and Uriel demand that Dean use the agony-inducing skills he learned in Hell to extract information from Alastair.