Guest Stars Jordan Hayes as Dr. Sarah Jordan Neil Napier as Dr. Peter Farragut Severn Thompson as Sister Anne Alison Louder as Sister Amy Steven Weber as Brother Michael Jim Thorburn as Caleb Clare Coulter as Sister Agnes Cristina Rosato as Leila Weisner Kayla DiVenere as Lizzie André Bédard as Mycotic Passenger Johnny Sa as 3rd Passenger Jonah Carson as Sick Passenger Karine Dashney as Female Follower Kathleen Mackey as Feral Woman Patricia Summersett as Lt. Commander Winger
