John Saxon

Norman Hopper

Elizabeth Turner

Jane Hopper

Giovanni Lombardo Radice

Charlie Bukowski

Cinzia De Carolis

Mary

Tony King

Tom Thompson

Wallace Wilkinson

Captain McCoy

May Heatherly

Helen

Ramiro Oliveros

Dr. Phil Mendez

Venantino Venantini

Lieutenant Hill

Renzo Pevarello

Hospital Assistant

Edoardo Margheriti

Police Officer (uncredited)

Walter Patriarca

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

Luca Venantini

Bobby (uncredited)

Goffredo Unger

Mall Guard (uncredited)

Renzo Marignano

Dr. Morris (uncredited)

Antonio Margheriti