The Devil in the Details

Main Cast

 * Jared Padalecki as Sam Winchester
 * Jensen Ackles as Dean Winchester
 * Misha Collins as Castiel

Supporting Cast

 * Lisa Berry as Billie

Featured Supernatural Beings

 * Angels
 * Castiel
 * Reapers
 * Billie

Trivia

 * The reaper Billie will appear in this episode again.