cast
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Hugo Stiglitz
Dean Miller
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Laura Trotter
Dr. Anna Miller
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Maria Rosaria Omaggio
Sheila Holmes
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Francisco Rabal
Major Warren Holmes
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Sonia Viviani
Cindy
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Eduardo Fajardo
Dr. Kramer
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Stefania D'Amario
Jessica Murchison
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Ugo Bologna
Mr. Desmond
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Sara Franchetti
Liz the Maid
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Manuel Zarzo
Colonel Donahue (as Manolo Zarzo)
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Tom Felleghy
Lieutenant Reedman (as Tom Felleghi)
- Pierangelo Civera Bob
- Achille Belletti TV Station Technician
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Mel Ferrer
General Murchison
- Agustín Bescos Man in Elevator (uncredited)
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Edy Biagetti
Military Officer (uncredited)
- Frank Clement Aide (uncredited)
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Ottaviano Dell'Acqua
Zombie Outside TV Station (uncredited)
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Roberto Dell'Acqua
Zombie (uncredited)
- Alejandro de Enciso Captain (uncredited)
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Umberto Lenzi
Reporter (uncredited)
- Fiamma Maglione Mr. Desmond's Secretary (uncredited)
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Carmen Martínez Sierra
Woman in Elevator (uncredited)
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Antonio Mayans
Cameraman (uncredited)
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Benito Pacifico
Zombie (uncredited)
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Renzo Pevarello
Victim at Murchison House (uncredited)
- Silvana Scandariato Woman at TV Station (uncredited)
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Maurizio Streccioni
Television Station Worker (uncredited)
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Sergio Testori
Soldier (uncredited)
- José Yepes Controller (uncredited)
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Rinaldo Zamperla
Zombie (uncredited)
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Anna Maria Zamperla
Marta Jones (uncredited)
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Román Ariznavarreta
Zombie (uncredited)
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Giuseppe Monteverdi
Jack Jones (uncredited)