Guest Stars Anna Torv as Olivia Dunham (Alt Universe) John Noble as Dr. Walter Bishop (Alt Universe) Seth Gabel as Lincoln Lee (Alt Universe) Ryan McDonald as Brandon Fayette (Alt Universe) Kevin Corrigan as Sam Weiss Co Starring Heather Doerksen as Major Warner Elfina Luk as EMT #1 Travis Nelson as Jack Todd Mann as Alt. MP #1 Richard Ian Cox as Donnie Jim Shield as Joe Forbes Angus as Science Director Jennifer Koenig as Nurse Gail Matt Ellis as Ritchie Ken Roberts as Landlord Andrew Zachar as Tommy David Lloyd as EMT #2 Don Ackerman as ER Doctor Tobias Der as Scientist Gigi Friedman as Jean Sheila Tyson as Mary Uncredited Michael Cerveris as September