Who are the characters in the master builder?

In Henrik Ibsen's play "The Master Builder," the central character is Halvard Solness, an ambitious architect grappling with his fears and past. Other significant characters include Hilda Wangel, a young woman who inspires Solness and represents his lost dreams, and Aline Solness, his wife, who embodies his guilt and the weight of his personal sacrifices. Additionally, Dr. Herdal serves as a confidant and observer, while the character of Brovik represents the older generation of architects. Together, they explore themes of ambition, fear, and the complexities of human relationships.