Was going to attach pics but it's more fun if you do it by memory ;-) Answers!!
Three's Company:
Janet? Chrissy? Cindy? or Terri?
Gilligan's Island:
Mary Ann? or Ginger?
Brady Bunch: Marcia? or Partridge Family: Laurie?
Cheers:
Diane? or Lilith?
I liked:
Cindy, Mary Ann, Laurie, Lilith