character Mei Meng A bright, immune-disordered four-year-old girl from Ganymede, abducted from her Montessori by her doctor.
character Strickland A large, salt-smelling children's doctor on Ganymede who abducts his young patient Mei from school.
character Umea A pretty, cold-voiced, skinny-fingered woman aiding Strickland's abduction of Ganymede's children.