Directed by
| Robert Stevenson | ||
Writing Credits
| L. du Garde Peach | ... | (screenplay) (as L. Du Garde Peach) & |
| Sidney Gilliat | ... | (screenplay) & |
| John L. Balderston | ... | (screenplay) |
Cast (in credits order)
| Boris Karloff | ... | Dr. Laurience / Dick Haslewood | |
| John Loder | ... | Dick Haslewood / Dr. Laurience | |
| Anna Lee | ... | Dr. Clare Wyatt | |
| Frank Cellier | ... | Lord Haslewood / Clayton | |
| Donald Calthrop | ... | Clayton / Lord Haslewood | |
| Cecil Parker | ... | Dr. Gratton | |
| Lyn Harding | ... | Prof. Holloway | |
| Rest of cast listed alphabetically: | |||
| Clive Morton | ... | Journalist (uncredited) | |
 |
Bryan Powley | ... | Undetermined Role (uncredited) |
|
|
Charles Rolfe | ... | Police Constable (uncredited) |
|
|
D.J. Williams | ... | Landlord (uncredited) |
Produced by
| Michael Balcon | ... | producer (uncredited) |
| Edward Black | ... | associate producer (uncredited) |
| Sidney Gilliat | ... | associate producer (uncredited) |
Music by
| Hubert Bath | ... | (uncredited) |
Cinematography by
| Jack E. Cox | ... | (as Jack Cox) (photography) |
Editing by
| R.E. Dearing | ||
| Alfred Roome | ||
| Ben Hipkins | ... | (uncredited) |
Art Direction by
| Alex Vetchinsky | ... | (as Vetchinsky) |
Costume Design by
| Molyneux | ... | (dresses) |
Makeup Department
| Roy Ashton | ... | makeup artist (uncredited) |
Sound Department
| Bill Salter | ... | sound recordist (as W. Salter) |
| Charles Poulton | ... | sound recordist (uncredited) |
Costume and Wardrobe Department
| Molyneux | ... | dresses |
Music Department
| Louis Levy | ... | musical director / composer: additional music (uncredited) |
