Dario Argento, Italian film director, producer and screenwriter. Argento is best known for his work in the horror film genre, particularly in the sub genre known as giallo, and for his influence on modern horror and slasher movies. The Bird with the Crystal Plumage, The Cat o' Nine Tails, Four Flies on Gray Velvet, The Deep Red Hatchet Murders, Suspiria, Inferno, Unsane, Creepers, etc!