Genre: Misteri, Cerita Seru
Bintang Aktor: George Hilton, Anita Strindberg, Alberto de Mendoza, Ida Galli, Janine Reynaud, Luigi Pistilli
Crew: Sergio Martino (Director), Ernesto Gastaldi (Screenplay), Eduardo Manzanos (Screenplay), Sauro Scavolini (Screenplay), Luciano Martino (Producer), Eugenio Alabiso (Editor)
Negara: Italy, Spain
Bahasa: Italiano
Studio: Devon Film, Copercines
Runtime: 96 menit
Kualitas: HD
Rilis: Aug 16, 1971
IMDb: 4.618
Kata kunci:hotel, mask, corruption, killing, blackmail, detective, paranoia, investigation, murder, millionaire
