From the TV series Five Fingers. Released theatrically in the UK in August 1961 as supporting film to Voyage to the Bottom of the Sea.
| Actor | Role |
|---|---|
 David HedisonVictor Sebastian | Victor Sebastian |
 Luciana PaluzziSimone Genet | Simone Genet |
 Edgar BergenJoseph Heidegger | Joseph Heidegger |
 John WilliamsNicolas Constantine | Nicolas Constantine |
 Paul BurkeRobertson | Robertson |