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) Amy Madigan as Marilyn Dunham Andre Royo as Henry Arliss Higgins Françoise Yip as Dr. Rosa Oporto Kendall Cross as Nurse Joyce Darcy Laurie as Doctor Co Starring Heather Doerksen as Major Warner Randal Edwards as Fringe Agent #2 Nicole Hombrebueno as Young Woman Ben Geldreich as Kidnapper #2 Peter Hanlon as Doctor #1 Achara Kirk as Fringe Agent #1 Courtney Lancaster as Pediatric Nurse Amos Mitchell as Kidnapper #1 Matthew Thiessen as Doctor #2