|Children|| Allison Tisdale (deceased) |
|Appearances||"Flowers For Your Grave"|
|Portrayed by||Keir Dullea|
Mr. Tisdale was a self-made millionaire industrialist from New York.
In 2009, he was terminally ill from cancer, having recently taken to wearing a wig and having suffered a notable loss of weight. He had to endure even more tragedy when his son, Harrison, killed his daughter, Allison, to punish him for favoring her.