David Bradley

Self - Narrator (voice)

Daniel Ings

Readings (voice)

Sarah Mowat

Readings (voice)

Danny Boyle

Self

Benedict Cumberbatch

Self / Frankenstein / The Monster

John Waters

Self - Director

Jonny Lee Miller

Self / Frankenstein / The Monster

Gwen Adshead

Self - Chief Forensic Psychotherapist, Broadmoor Hospital (as Dr. Gwen Adshead)

Philip Ball

Self - Historian of Science

Nick Dear

Self - Playwright

Daisy Hay

Self - Mary Shelley Biographer

Stephen Hebron

Self - Bodleian Library, Oxford

Philip Hoare

Self - Writer

Miranda Seymour

Self - Mary Shelley Biographer

Helen Wallace

Self - Genetics Ethicist

Tim Van Someren

Adam Low