I'm not convinced the first three are gone - yet. Eriksson, yes - his replacement is either Miller or Pearson.
Schaller's contract will expire pretty soon and it's not very expensive so he could still hang around.
Goldobin is a RFA with not a huge amount of bargaining power, with prior experience with Petterson/Horvat, but he absolutely has to light it up this season or else, yes, he'll be gone.
Spooner could surprise still, which would be great. Eriksson's time is for sure done though.