Guest Stars Michael Cerveris as September Anna Torv as Olivia Dunham (Alt Universe) John Noble as Dr. Walter Bishop (Alt Universe) Jasika Nicole as Astrid Farnsworth (Alt Universe) Seth Gabel as Lincoln Lee (Alt Universe) Ryan McDonald as Brandon Fayette (Alt Universe) Kirk Acevedo as Charlie Francis (Alt Universe) Andre Royo as Henry Arliss Higgins Amy Madigan as Marilyn Dunham Kendall Cross as Nurse Joyce Françoise Yip as Dr. Rosa Oporto Darcy Laurie as Doctor Co Starring Heather Doerksen as Major Warner Nicole Hombrebueno as Young Woman Randal Edwards as Fringe Agent #2 Courtney Lancaster as Pediatric Nurse Amos Mitchell as Kidnapper #1 Achara Kirk as Fringe Agent #1 Ben Geldreich as Kidnapper #2 Peter Hanlon as Doctor #1 Matthew Thiessen as Doctor #2