1. Significant involvement: An author may have a substantial role in the casting process, with their opinions and suggestions being highly valued. They may be consulted on the selection of actors, participate in casting sessions, and provide feedback on potential casting choices. The author's input is taken seriously, and their preferences are considered when making final casting decisions.
2. Moderate involvement: In some cases, authors may have a moderate level of involvement in the casting process. They may be provided with information about potential actors, and their opinions may be sought on casting decisions. However, the ultimate authority in casting typically lies with the filmmakers, and the author's input may not always be decisive.
3. Limited involvement: An author may have limited involvement in the casting process, such as being consulted on the general direction of the casting choices. They may be given the opportunity to provide feedback or express preferences, but the casting decisions are primarily made by the filmmakers based on their own criteria and vision for the adaptation.
4. No involvement: In certain situations, authors may have no involvement whatsoever in the casting process. This can occur if the author has no contractual rights or agreements that specify their involvement, or if the production company decides to make casting decisions independently.
Ultimately, the level of involvement an author has in the casting process for a movie adaptation of their book depends on the specific arrangements and agreements between the author and the production company.