If you are looking for specific opportunities for talent aged 13 and 15, current casting calls for similar age ranges and categories include:

"Teen life unplugged"—fashion, friendship, and food.

1. Key Research Themes

In conclusion, the feature needs to present Marcela and Ethel as key figures in a lifestyle and entertainment context, discussing their activities, their influence, and their projects. Since the user included "casting," maybe it's part of a project casting them into roles, so detailing their profiles and suitability for those roles.