Cook was mentored by Lucille Ball early in her career, and credited Ball with giving her a "big break."
Jennifer Aniston confirmed her dad's death on Instagram, remembering him as "one of the most beautiful humans."
Sirico brought both a sense of humor and a genuine sense of menace to his role, emerging from that landmark series as a true pop culture icon.
The actor was also known for his work in Days Of Our Lives, The Doctors, and Emergency!.
Many men know the struggle: the older you get, the less hair you have. Here, we pay tribute to ten of the best bald heads on the big and smaller...