In addition to the Stage Manager, the two characters who appear first at the opening of Act II are: Howie Newsome and Joe Crowell. Option three is correct.
Howie Newsome first appears as the milkman whereas Joe crowell appears first continuing his conversation about the teacher's marriage.
Howie Newsome is the town milkman, who delivers milk to people's doors. He appears in all three acts of the play.
