 Hugo StiglitzDean Miller | Dean Miller |
 Laura TrotterDr. Anna Miller | Dr. Anna Miller |
 Maria Rosaria OmaggioSheila Holmes | Sheila Holmes |
 Francisco RabalMajor Warren Holmes | Major Warren Holmes |
 Sonia VivianiCindy | Cindy |
 Eduardo FajardoDr. Kramer | Dr. Kramer |
 Stefania D'AmarioJessica Murchison | Jessica Murchison |
 Ugo BolognaMr. Desmond | Mr. Desmond |
 Sara FranchettiLiz the Maid | Liz the Maid |
 Manuel ZarzoColonel Donahue (as Manolo Zarzo) | Colonel Donahue (as Manolo Zarzo) |
 Tom FelleghyLieutenant Reedman (as Tom Felleghi) | Lieutenant Reedman (as Tom Felleghi) |
| PPierangelo CiveraBob | Bob |
| AAchille BellettiTV Station Technician | TV Station Technician |
 Mel FerrerGeneral Murchison | General Murchison |
| AAgustín BescosMan in Elevator (uncredited) | Man in Elevator (uncredited) |
 Edy BiagettiMilitary Officer (uncredited) | Military Officer (uncredited) |
| FFrank ClementAide (uncredited) | Aide (uncredited) |
 Ottaviano Dell'AcquaZombie Outside TV Station (uncredited) | Zombie Outside TV Station (uncredited) |
 Roberto Dell'AcquaZombie (uncredited) | Zombie (uncredited) |
| AAlejandro de EncisoCaptain (uncredited) | Captain (uncredited) |
 Umberto LenziReporter (uncredited) | Reporter (uncredited) |
| FFiamma MaglioneMr. Desmond's Secretary (uncredited) | Mr. Desmond's Secretary (uncredited) |
 Carmen Martínez SierraWoman in Elevator (uncredited) | Woman in Elevator (uncredited) |
 Antonio MayansCameraman (uncredited) | Cameraman (uncredited) |
 Benito PacificoZombie (uncredited) | Zombie (uncredited) |
 Renzo PevarelloVictim at Murchison House (uncredited) | Victim at Murchison House (uncredited) |
| SSilvana ScandariatoWoman at TV Station (uncredited) | Woman at TV Station (uncredited) |
 Maurizio StreccioniTelevision Station Worker (uncredited) | Television Station Worker (uncredited) |
 Sergio TestoriSoldier (uncredited) | Soldier (uncredited) |
| JJosé YepesController (uncredited) | Controller (uncredited) |
