Yes, some of the cast members of 'The Untamed' did read the novel. Reading the novel helped them better understand the characters they were going to portray, the complex relationships in the story, and the overall world - building of the story. It allowed them to bring more authenticity to their performances.
I'm not entirely sure as the name is rather ambiguous. It could potentially be a novel related to an 'untamed' theme, perhaps about wild adventures, or a story where the characters are untamed in their personalities or actions.
Since I don't know the specific 'untamed cast novel', I can't say for sure. But generally, the main characters could be the ones who drive the story forward with their 'untamed' qualities, perhaps a fearless leader or a rebellious young person.
In the novel, Wei Wuxian and Lan Wangji end up together. They have a deep bond that overcomes many difficulties and misunderstandings throughout the story.
The Untamed is about a group of people navigating a world of supernatural powers and facing challenges together. It involves elements like friendship, romance, and heroic quests.