Person 1:

Old man with a beard facing left.

The dog is the man's hand on his chest.

Person 2:

Old man with a crooked walking stick.

The old man forms the face of Person 1.

People 3 & 4:

Mother and child (2 people).

The top half of the mother forms the ear of Person 1.

Person 5:

Face looking to the right.

Person 6:

Face looking out of the picture.

Person 7:

Face looking to the right.

This face forms the right hand side of Person 6.

Person 8:

Face looking to the left and down slightly.

Person 9:

Face looking to the left and upwards slightly.

This face's chin forms the eye and forehead of Person 8.