Definition of "cast of characters" [cast of characters]
The actors in a play(noun)
WordNet. Princeton University. 2010.
Use "cast of characters" in a sentence
"In it the usual cast of characters appear; the Smart Money, the Shills, the Marks and the Promoters."
"PIckard’s two strong suits are a richly textured style and a vivid cast of characters that includes, in this case, a family of religious zealots far more believably scary than most fictional villains."