 | Host |
 | Superintendent Duggan |
 | Doctor Winster |
Rose Weston | |
 | Colette (as Bandanabes Gupta) |
 | Ricco |
 | Lieutenant Byers |
 | Bela Andor (as Martin Lynder) |
 | Detective Nouvel (as Andre Maranne) |
 | Captain Grant |
 | Jacques Renault |
 | Sergeant Jason |
 | Police Sergeant (uncredited) |
 | Police Constable (uncredited) |
 | Detective (uncredited) |