Virus

Margie Newton

Lia Rousseau

Franco Garofalo

Zantoro (as Frank Garfield)

Selan Karay

Vincent

José Gras

Lt. Mike London (as Robert O'Neil)

Gabriel Renom

Pierre (as Gaby Renom)

Josep Lluís Fonoll

Osborne (as Luis Fonoll)

Pietro Fumelli

Man on TV (as Piero Fumelli)

Bruno Boni

Reporter

Patrizia Costa

Woman in Bar

Cesare Di Vito

TV Speaker

Sergio Pislar

Technician Lawson

Bernard Seray

Prof. Barrett's Assistant