Who played Jack Ryans boss, Admiral Greer, in the first three movies based on Tom Clancy novels?

The person who played James Ryan’s boss. There are a lot of people who are familiar with him probably because he is one of the most versatile actors of his time. He is already 88 years and old, and people have not heard from him recently, perhaps because he is also thinking about his long-term health.

His spouse Cecilia Hart died from Ovarian cancer in the year 2016. He had actively talked about his struggle with being a diabetic also in 2016, and that was his last public appearance. People can still see him acting through his old movies and stints. It is evident that he has brought in a lot of entertainment.