The Incredible Doktor Markesan (1962) — Cast
Cast
| Boris Karloff | Konrad |
| Dick York | Bancroft |
| Henry Hunter | Holden |
| Billy Beck | Marshall Grant |
| Basil Howes | Charing |
| Carolyn Kearney | Bancroft |
| Richard Hale | Latimore |
Crew
| Benjamin H. Kline | Director of Photography |
| Howard E. Johnson | Art Direction |
| Julia Heron | Set Decoration |
| Florence Bush | Hair Designer |
| David J. O'Connell | Editorial Manager |
| Robert Florey | Director |
| August Derleth | Story |
| Douglas Benton | Associate Producer |
| John McCarthy Jr. | Set Decoration |
| Donald S. Sanford | Adaptation |
| Jerome Gould | Graphic Designer |
| Vincent Dee | Costume Supervisor |
| William Frye | Producer |
| Morton Stevens | Music |
| John Clarke Bowman | Assistant Director |
| Pete Rugolo | Music |
| Stanley Wilson | Music Supervisor |
| Jack Barron | Makeup Artist |
| Danford B. Greene | Editor |
| Mark Schorer | Story |
| Corson Jowett | Sound |