| Jonathan Adams | ... | Narrator (voice) | |
| Kenneth Branagh | ... | Victor Frankenstein in 'Frankenstein' (archive footage) | |
| Colin Clive | ... | Victor Frankenstein in 'Frankenstein' (archive footage) | |
| Robert De Niro | ... | The Creature in 'Frankenstein' (archive footage) | |
| Matt Drago | ... | Lord Byron | |
| Andre Fenton | ... | Himself / neuroscientist, New York University | |
| Dwight Frye | ... | Fritz in 'Frankenstein' (archive footage) | |
| Craig Harvey | ... | Himself / Chief Coroner Investigator, Los Angeles County | |
| Michio Kaku | ... | Himself / theoretical physicist | |
| Boris Karloff | ... | The Monster in 'Frankenstein' (archive footage) | |
| Kim Stanley Robinson | ... | Himself / science-fiction author | |
| Gavin Scott | ... | Himself / writer | |
| Ridley Scott | ... | Himself | |
| Jeffrey Steinberg | ... | Himself / U.S. Director, The Fertility Institutes [this is not the same Jeffrey Steinberg in IMDB database] | |
| Jessica Wyckoff | ... | Clare Clairmont |
| Episode Crew |
Directed by | |||
| Declan Whitebloom | |||
Produced by | |||
| Gary Auerbach | .... | executive producer | |
| Julie Auerbach | .... | executive producer | |
| Henry Capanna | .... | executive producer in charge of production | |
| David Cargill | .... | co-executive producer | |
| Rocky Collins | .... | executive producer | |
| Charlie Cook | .... | story producer | |
| David Franzke | .... | line producer | |
| Jason S. Lee | .... | associate producer | |
| Mary Lisio | .... | executive producer | |
| Nino Lopez | .... | associate producer | |
| Bernadette McDaid | .... | executive producer | |
| Kaitlin McIntyre | .... | producer | |
| Deborah Adler Myers | .... | executive producer | |
| Dennis Principe Jr. | .... | production executive | |
| Katie Pyne | .... | associate producer | |
| Ridley Scott | .... | executive producer | |
| Kathryn Takis | .... | field producer | |
| Kevin Tavolaro | .... | story producer | |
| Fred Villari | .... | field producer | |
| David W. Zucker | .... | executive producer | |
Original Music by | |||
| Scott Greer | (series) | ||
| Joel J. Richard | |||
Film Editing by | |||
| Joseph Lorenzetti | |||
| Tanner Roth | |||
Casting by | |||
| Chad Patterson | |||
Art Direction by | |||
| Gary Kroytor | |||
Production Management | |||
| Christopher Lauer | .... | production manager | |
Second Unit Director or Assistant Director | |||
| Isaac Heckert | .... | second unit director | |
Sound Department | |||
| John Barzelay | .... | sound mixer | |
Visual Effects by | |||
| Alena Cochran | .... | visual effects artist | |
| Jeff Fuller | .... | visual effects artist | |
| Patrick Hibbs II | .... | visual effects artist | |
| Sean McHale | .... | graphics coordinator | |
| John Mitchell | .... | lead visual effects artist | |
Camera and Electrical Department | |||
| Leif Lindhjem | .... | b camera operator | |
| Megan Mitchell | .... | digital imaging technician | |
Casting Department | |||
| Chad Patterson | .... | casting producer | |
Costume and Wardrobe Department | |||
| Megan Hofferth | .... | stylist | |
Editorial Department | |||
| Brandon Crooks | .... | post production supervisor | |
| Elizabeth Krasick | .... | assistant editor | |
| Shane Lefler | .... | colorist | |
| Shane Lefler | .... | on-line editor | |
| Andrew Parkhurst | .... | first assistant editor | |
Music Department | |||
| Joel J. Richard | .... | composer: theme music | |
| Main series | Episode guide | Full cast and crew |
| Company credits | IMDb TV section | IMDb Documentary section |
| IMDb USA section |