A missing formula, a defecting Eastern European scientist kidnapped, car chases, foot chases, air chases, the British secret service, and a couple of American tourists caught right in the middle.
| Actor | Role |
|---|---|
 Jeffrey ByronLuther Starling | Luther Starling |
 Larry CedarRoger Pike | Roger Pike |
 Roy KinnearBidley | Bidley |
 Lee MontagueVorg | Vorg |
 Mona WashbourneAunt Lydia | Aunt Lydia |
 David KossoffProf. Buchinski | Prof. Buchinski |
 Frank WindsorMcGuffin | McGuffin |
 Walter GotellSimmons | Simmons |
 Nigel DavenportArthur Minton | Arthur Minton |
 Dudley SuttonGoetz | Goetz |
 David BattleyPeters | Peters |
| JJulian OrchardDriscoll | Driscoll |
 Kathleen HarrisonElderly Lady | Elderly Lady |
 Percy HerbertShip's Captain | Ship's Captain |
 Don FellowsGeneral | General |
 Bruce BoaColonel | Colonel |
| WWolfe MorrisDr. Krause | Dr. Krause |
 Milos KirekKaplan | Kaplan |
 André MaranneDuvalier | Duvalier |
 Rita WebbCockney Woman | Cockney Woman |
 George PravdaKolenkov | Kolenkov |
 Minah BirdNarcotics Agent | Narcotics Agent |
 Mike GradyCourier | Courier |
 Burt KwoukMan at Meeting | Man at Meeting |