John Saxon as Norman Hopper

Elizabeth Turner as Jane Hopper

Giovanni Lombardo Radice as Charlie Bukowski

Cinzia De Carolis as Mary

Tony King as Tom Thompson

Wallace Wilkinson as Captain McCoy

May Heatherly as Helen

Ramiro Oliveros as Dr. Phil Mendez

Venantino Venantini as Lieutenant Hill

Renzo Pevarello as Hospital Assistant

Edoardo Margheriti as Police Officer (uncredited)

Walter Patriarca as Mr. Philipps, Jane Hopper's guest at TV Station (uncredited)

Luca Venantini as Bobby (uncredited)

Goffredo Unger as Mall Guard (uncredited)

Renzo Marignano as Dr. Morris (uncredited)

Paul Costello as Newscaster (uncredited)

Taso N. Stavrakis as Citizen (uncredited)