Hugh Grant
— Lord Byron
Lizzy McInnerny
— Mary Shelley
Valentine Pelka
— Percy Bysshe Shelley
Elizabeth Hurley
— Claire Clairmont
José Luis Gómez
— Polidori
Aitana Sánchez-Gijón
— Teresa Guiccioli
Bibiana Fernández
— Fornarina
Virginia Mataix
— Elisa
Ronan Vibert
— Fletcher
José Carlos Rivas
— Criatura
Josep Maria Pou
— Oficial Aduana
Karen Westwood
— Fanny
Terence Taplin
— Godwin
Jolyon Baker
— Edward Williams
Kate McKenzie
— Jane Williams
Emma Amos
— Joven veneciana