The actor's daughter, Celia Bosco, said her father had complications with dementia, which is commonly caused by Alzheimer's disease.
Before acting, Bosco worked in a carnival as a trailer truck driver.
He later became a Broadway veteran who won a Tony Award in 1989 for best actor for his role as the head of an opera company in the comedy "Lend Me a Tenor." He received nominations for his performances in "The Rape of the Belt," "Heartbreak House," "You Never Can Tell" and "Moon Over Buffalo." Bosco also starred in a 2004 production of "Twelve Angry Men."
On daytime soap operas, he played roles on As the World Turns (as Eliot Markham), Guiding Light (Clarence Baily), All My Children (Lyle Wedgewood) and Ryan's Hope (Dr. Gillette).
In 1988, he won a Daytime Emmy Award for his