Dean Miller

Hugo Stiglitz

Dr. Kramer

Eduardo Fajardo

Cindy

Sonia Viviani

Dr. Anna Miller

Laura Trotter

Major Warren Holmes

Francisco Rabal

Sheila Holmes

Maria Rosaria Omaggio

General Murchison

Mel Ferrer

Liz

Sara Franchetti

Sheila Holmes

María Rosaria Omaggio

Colonel Donahue (as Manolo Zarzo)

Manuel Zarzo

Jessica Murchison

Stefania D'Amario

Mr. Desmond

Ugo Bologna

Lieutenant Reedman (as Tom Felleghi)

Tom Felleghy

Bob

Pierangelo Civera

TV Station Technician

Achille Belletti

Man in Elevator (uncredited)

Agustín Bescos

Military Officer (uncredited)

Edy Biagetti

Aide (uncredited)

Frank Clement

Zombie Outside TV Station (uncredited)

Ottaviano Dell'Acqua

Zombie (uncredited)

Roberto Dell'Acqua

Captain (uncredited)

Alejandro de Enciso

Reporter (uncredited)

Umberto Lenzi

Mr. Desmond's Secretary (uncredited)

Fiamma Maglione

Woman in Elevator (uncredited)

Carmen Martínez Sierra

Cameraman (uncredited)

Antonio Mayans

Zombie (uncredited)

Benito Pacifico

Victim at Murchison House (uncredited)

Renzo Pevarello

Television Station Worker (uncredited)

Maurizio Streccioni

Soldier (uncredited)

Sergio Testori

Controller (uncredited)

José Yepes

Zombie (uncredited)

Rinaldo Zamperla

Marta Jones (uncredited)

Anna Maria Zamperla

Zombie (uncredited)

Román Ariznavarreta

Jack Jones (uncredited)

Giuseppe Monteverdi