Samantha Smith as Mary Winchester Elizabeth Blackmore as Lady Antonia "Toni" Bevell Ruth Connell as Rowena Kim Rhodes as Sheriff Jody Mills Adam Fergus as Mick Davies David Chisum as U.S. President Jefferson "Jeff" Rooney / Lucifer Courtney Ford as Kelly Kline Kara Royster as Alicia Banes Kendrick Sampson as Max Banes Kathryn Newton as Claire Novak Katherine Ramdeen as Alex Jones Adam Rose as Aaron Bass Woody Jeffreys as Tommy Alicia Witt as Lily Sunder Lisa Berry as Billie David Haydn-Jones as Arthur Ketch Theo Devaney as Gavin MacLeod Rick Worthy as Alpha Vampire Shoshannah Stern as Eileen Leahy Alexander Calvert as Jack / Nephilim Gillian Barber as Dr. Hess Ali Ahn as Dagon