There are many ways to refer to the actor Hume Blake Cronyn. Some common synonyms for his name include simply "Hume Cronyn," "Mr. Cronyn," or "Cronyn." Additionally, Cronyn could be referred to as a thespian, actor, or performer. Given his prolific career on stage and screen, other adjectives that could be used to describe Cronyn might include versatile, accomplished, or respected. Furthermore, because Cronyn was known for his range as an actor and his ability to portray both comic and dramatic roles, he might be referred to as a chameleon or multifaceted performer. Overall, there are many ways to refer to the late Hume Cronyn, depending on the context and one's personal style.