Drug mom

Well, no one "played" her, since she was only portrayed via a photograph.

Pobre de Dios que no sale en revistas, que no es modelo ni artista, o de familia royal...

I'm not sure who it is but to clarify what the OP was asking I think they meant the one of her foster parents who was in the car with Destiny telling her to go in and tell the doctor she was feeling anxious to get some medication.