Irene Visedo
as Cayetana joven
Adriana Ozores
as Cayetana (adulta)
Roberto Enríquez
as Luís Martínez de Irujo
Manuel de Blas
as XVII Duque de Alba, padre de Cayetana
Karmele Aranburu
as Institutriz
Carlos Hipólito
as Jesús Aguirre
Diego Martín
as Carlos Fitz-James Stuart y Martínez de Irujo
Carmen Sánchez
as Cayetana (niña)
Marta Marco
as XVI Duquesa de Aliaga, madre de Cayetana
Marian Álvarez
as Matilde de Solís-Beaumont
Javier Collado
as Cayetano Martínez de Irujo
Natalia Sánchez
as Eugenia Martínez de Irujo
