Guest Stars John Noble as Dr. Walter Bishop (Alt Universe) Orla Brady as Elizabeth Bishop (Alt Universe) Karley Scott Collins as Young Olivia Dunham Chandler Canterbury as Young Peter Bishop Orla Brady as Elizabeth Bishop Sarah Jane Redmond as Miss Ashley Co Starring Chris Bradford as Olivia's Stepfather Christopher Pearce as Soldier Peter Kawasaki as Lab Employee Sophie Lui as Newscaster Mike Russell as Second Policeman Liam Smerchinski Mackie as Young Nick Lane Jay Jay Jackson as Boy #1 Uncredited Michael Cerveris as September