Does your Project contain:
Any actor who needs to speak at any point with an accent other than their own?
Actors who must portray family units or other closely knit social groups, but the actors own accents are different from one another?
Any actor who needs to speak at any point in a language they are unfamiliar with that the character should speak with native fluency and accent?
Any actor who needs to speak any word in a language they are fluent in that the character should speak like a tourist or someone new to the language?
Any dialogue that is written in a Conlang?
Any dialogue that needs translation?