| Cast list | | Hugh Grant | as | Lord Byron | | Lizzy McInnerny | as | Mary Shelley | | Valentine Pelka | as | Percy Bysshe Shelley | | Elizabeth Hurley | as | Claire Clairmont | | José Luis Gómez | as | John Polidori | | Virginia Mataix | as | Elisa | | Ronan Vibert | as | Fletcher | | José Carlos Rivas | as | Criatura | | Kate McKenzie | as | Jane Williams | | Jolyon Baker | as | Edward Williams | | Terry Taplin | as | Godwin | | Karen Westwood | as | Fanny | | Bibiana Fernández | as | Fornarina (as Bibí Andersen) | | José María Pou | as | Oficial aduana | | Aitana Sánchez-Gijón | as | Teresa Guiccioli |
| | Crew list: | | Gonzalo Suárez (Director) | | Gonzalo Suárez (Writer) |
|
