Mark Gatiss

Dettweiler

James McAvoy

Victor Frankenstein

Daniel Mays

Barnaby

Charles Dance

Frankenstein

Jessica Brown Findlay

Lorelei

Daniel Radcliffe

Igor

Callum Turner

Alistair

Adrian Schiller

Dr. Clive (uncredited)

Neil Bell

Huntsman

Ira Shuman

Executive Producer

Derek Dauchy

Executive Producer

Spencer Wilding

Nathaniel / Prometheus 2

Alistair Petrie

Chief Inspector

Paul McGuigan

Director

Bronson Webb

Rafferty

Nicola Sloane

Housekeeper

Freddie Fox

Finnegan

Valene Kane

Mrs. Winthrop (uncredited)

Andrew Scott

Inspector Turpin

Guillaume Delaunay

Prometheus 1

Robin Pearce

Baron Bomine

Di Botcher

Older Nun

Eve Ponsonby

Orderly

Will Keen

Surgeon

Louise Brealey

Sexy Society Girl

Robert J. Fraser

Livery Man (uncredited)

Brittany Morrissey

Executive Producer