Supernatural — Season 12, Episode 17

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

• 
  David Haydn-Jones
  as Arthur Ketch
• 
  Mark Pellegrino
  as Lucifer
• 
  Ali Ahn
  as Dagon
• 
  Adam Fergus
  as Mick Davies
• 
  Gillian Barber
  as Dr. Hess
• 
  Spencer Drever
  as Mick Davies (young)
• Luke Seybold
  as Timothy
• Darren Adams
  as Renny Rawlings
• 
  Michael Meneer
  as Dr. Turner
• 
  Courtney Ford
  as Kelly Kline
• 
  Shoshannah Stern
  as Eileen Leahy
• 
  Samantha Smith
  as Mary Winchester

Writer:
Eugenie Ross-Leming
Brad Buckner

Director:
John F. Showalter