Guest Stars Michael Cerveris as September Anna Torv as Olivia Dunham (Alt Universe) John Noble as Dr. Walter Bishop (Alt Universe) Emily Meade as Ella Blake Ryan McDonald as Brandon Fayette (Alt Universe) Brad Dourif as Moreau Co Starring Eugene Lipinski as December Jeremy Guilbaut as Agent Warrick Gwenda Lorenzetti as Fringe Doctor #1 Shannon Powell as Nurse #1 Mark Sweatman as Oscar Jackie Blackmore as ND Agent #2 John Paul McGlynn as Trenchcoat Lisa Sanson as Fringe Nurse #3 Jesse Scarf as Fringe Agent #1 Lea Kovach as Nurse #2 Kevin James as Tactical Officer