In December, actress August Ames, 23, hanged herself in California, where she lived with her husband.
If this was mixed with recreational drugs or alcohol, it is believed this to be the cause of her passing,' he said.
Hay said it was merely a 'coincidence' that the two most recent deaths were of women who belonged to his agency.
What prompted her suicide remains unclear but in the days beforehand, she found herself in the center of a firestorm on Twitter after publicly saying that she had refused to work with a man she knew did both straight and gay scenes.
It is not known how she got the substances into the facility where she was being treated for addiction.