Onder andere met: Vincent Price (Dr. Robert Morgan), Franca Bettoia (Ruth Collins), Emma Danieli (Virginia Morgan), Giacomo Rossi-Stuart (Ben Cortman), Umberto Raho (Dr. Mercer), Christi Courtland (Kathy Morgan), Antonio Corevi (Governor (as Tony Corevi)), Ettore Ribotta (TV Reporter (as Hector Ribotta))