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