Role

Role in a film: Usually a named character in the screenplay, who has (in most cases) lines.

Roles like protagonist and antagonist.

Cf. Actor, Casting

The Internet Movie Database. Search the Database for Characters. [www.imdb.org]

Podium School [An Ultimate Guide to Understanding Elements of Drama | (podium.school)]

Backstage [Acting Roles: From Background to Lead, Explained | Backstage]

Backstage [How Do Actors Prepare for a Role? The Acting Process, Explained (backstage.com)]