Obsada

• Stephen Dillane — William Godwin
• Tom Sturridge — Lord Byron
• Hugh O'Conor — Samuel Taylor Coleridge
• Derek Riddell — William Baxter
• Elle Fanning — Mary Shelley
• Douglas Booth — Percy Bysshe Shelley
• Bel Powley — Claire Clairmont
• Joanne Froggatt — Mary Jane Clairmont
• Maisie Williams — Isabel Baxter