supporting players vs ensemble

supporting players and ensemble both are nouns.

Word	Noun	Adjective	Verb	Adverb
supporting players	Yes	No	No	No
ensemble	Yes	No	No	No

As nouns, supporting players and ensemble are synonyms defined as:

supporting players (noun)	ensemble (noun)
a cast other than the principals	a coordinated outfit (set of clothing)
	the chorus of a ballet company
	a group of musicians playing or singing together
	an assemblage of parts or details (as in a work of art) considered as forming a whole
	a cast other than the principals