Cast e produzione
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Frank SinatraMajor Bennett Marco - Laurence HarveyRaymond Shaw
- Janet LeighEugenie Rose Chaney
- Angela LansburyMrs. Iselin
- Henry SilvaChunjin
- James GregorySenator John Yerkes Iselin
- Leslie ParrishJocelyn Jordan
- John McGiverSenator Thomas Jordan
- Khigh DhieghDr. Yen Lo
- James EdwardsCorporal Allen Melvin
- Douglas HendersonColonel Milt
- Albert PaulsenZilkov
- Barry KelleySecretary of Defense
- Lloyd CorriganHolborn Gaines
- SpivyFemale Berezovo
- Joe AdamsPsychiatrist
- Whit BissellMedical Officer
- Mimi DillardMrs. Melvin
- Anton von StralenOfficer
- John LawrenceGrossfeld
- Tom LowellPrivate Bobby
- Richard LaPorePrivate Ed Mavole
- Nicky BlairSilvers
- William ThourlbyLittle
- Irving SteinbergFreeman
- John FrankenheimerRegista
- John FrankenheimerProduzione
- George AxelrodProduzione
- Howard W. KochProduzione
- George AxelrodSceneggiatura