Alison is a fictional character portrayed by Caroline Williams in the TV series Grey's Anatomy.
In the first episode they appeared in, titled Sympathy for the Parents (season 6), they were 53 years old.
They appear in 1 episodes out of a total of 430 aired so far
Alison is also portrayed by Bianca Collins.
Episodes1
Sympathy for the Parents
episode S6.E19 april 2010Alex' brother Aaron comes to Seattle with a hernia and needs a pro bono operation. Having children is on everyone's minds and tensions are high because of it.