DETERMINE WHAT ROLES YOU WANT TO CAST:
The first step of casting your film is to decide what roles you need to fill. Focus on the lead roles (larger parts) first, deciding which factors are important for each character.
1. Questions to consider for each part: Age? Gender? Height? Ethnicity? Any unusual personality traits? Do they need any special skills such as ability to sing or play an instrument?
2. You do not need a breakdown for every character. Many smaller roles can be cast from people that you auditioned but didn’t end up casting as the lead…
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Read the full article at the New York Film Academy Blog