Irving Waller is a fictional character portrayed by Ralph Waite in the TV series Grey's Anatomy.
In the first episode they appeared in, titled Tainted Obligation (season 6), they were 81 years old.
They appear in 1 episodes out of a total of 430 aired so far
Episodes1
Tainted Obligation
episode S6.E4 october 2009Thatcher is hospitalized with liver failure, and Meredith fights anger and guilt while deciding her responsibility. Sloan treats an octogenarian who wants an implant. Izzie's interference in Hunt's cancer case may have deadly consequences.