Prima
Part of speech: adjective
Definition: most important
Example sentence: The popular image that Hollywood is ruined by difficult prima donna actors is nonsense. They're certainly very nice to directors. I can't say the same about producers, who I found difficult, paranoid, and certifiably insane, mostly.
Starring
Part of speech: adjective
Definition: of, relating to, or in the manner of a star
Part of speech: verb
Definition: To appear as a featured performer or headliner, especially in an entertainment program.(with a film as its subject) That which has the specified actor or actors, especially those in lead roles, in its cast.
Part of speech: noun
Definition: The action of the verb to star.