Guest Stars Austin Stowell as Pete Welsh Joe Chrest as Bishop Matthew Paulse Jason Davis as Spencer Philip Ettinger as Joe Berchtold Co Starring Elle Lisic as Young Susan Broberg Mila Harris as Young Karen Broberg Tyler Wojton as Joel Berchtold Lauren Revard as Brenda Young Jace Millican as Jacob Berchtold Kate Adams as Eileen Steven Sean Garland as Agent Richard McDaniel Maurice Winsell as Perez Brian Konowal as Dr. Alan Milstein John Schmedes as Elder Gordon Hinckley Manny Martinez Hernandez as Alvaro Peter Heid as Lt. Vanleuven Carlos Lopez as Mexican Official