The Amish guy who helps Annie find her son is single. Single Amish do not have beards, and his hair should not be reaching his shoulders.
Once they are baptized, Amish rarely leave the faith, and not due to a "boring life."
Amish women do not pluck their eyebrows.
The "strings" on a woman's white bonnet are kept to the back.
The father's beard should have more growth.