"Demons" is the eighth episode of the fourth season of 12 Monkeys, and the forty-fourth episode overall.
Everything changes when the team finally climbs the steps and rings the bell in the Middle Ages.
- Aaron Stanford as James Cole
- Amanda Schull as Cassandra Railly
- Todd Stashwick as Theodore Deacon
- Emily Hampshire as Jennifer Goines
- Barbara Sukowa as Katarina Jones
- Alisen Down as Olivia Kirschner
- Andrew Gillies as Julian Adler
- Simon Merrells as Andrus
- Ben Cross as Nicodemus
- Brooke Williams as Hannah Jones
- Donald Sumpter as Seer
- Abigail Hardingham as Emma
- Fergus O'Donnell as Oren
- Anna Devlin as Chorus