Dr. Singer is a fictional character portrayed by Joel Grey in the TV series Grey's Anatomy.
In the first episode they appeared in, titled New History (season 6), they were 77 years old.
They appear in 1 episodes out of a total of 430 aired so far
Episodes1
New History
episode S6.E9 november 2009When Owen recruits his fellow Iraqi War vet, Dr. Teddy Altman, as the new cardiothoracic surgeon, Cristina questions Teddy's abilities in the OR and the nature of their past relationship. Meanwhile Izzie returns to Seattle Grace with her high school mentor seeking treatment for his dementia, and the stress of Richard's responsibilities, post-merger, are taking their toll.