A secret agent sets out to stop an evil scientist who is about to unleash on the world a virulent biological strain he has developed during experiments on rats.
| Actor | Role |
|---|---|
 Kerwin MathewsHubert Bonisseur de La Bath / OSS 117 / Tony Burt | Hubert Bonisseur de La Bath / OSS 117 / Tony Burt |
 Pier AngeliLila | Lila |
 Robert HosseinDr. Sinn | Dr. Sinn |
 Dominique WilmsEva Davidson | Eva Davidson |
 Gamil RatibAkhom | Akhom |
 Henri VirlogeuxLeasock | Leasock |
| AAkom MokranondM. Sonsak | M. Sonsak |
 Henri GuéganKarloff | Karloff |
 Jacques MauclairM. Smith | M. Smith |
 Jacques HillingProfessor Hogby | Professor Hogby |
| SSing MilintrasaiPrasit | Prasit |
| YYasumoto SoichiLe tuer | Le tuer |
 Raoul BillereyChristopher Lemmon | Christopher Lemmon |
 Colette TeissèdreDr. Winter | Dr. Winter |