Robert Bloch
24 credits
- Psycho
1998 Novel
- Psycho IV: The Beginning
1990 Characters
- Bates Motel
1987 Novel
- Hollywood Ghost Stories
1986 Himself (uncredited)
- Psycho III
1986 Original Story
- Psycho II
1983 Characters
- The Amazing Captain Nemo
1978 Screenplay
- The Mannikin
1977 Original Story
- Three Dangerous Ladies
1977 Short Story
- The Dead Don't Die
1975 Screenplay
- The Cat Creature
1973 Story
- Asylum
1972 Story
- The House That Dripped Blood
1971 Writer
- Torture Garden
1967 Writer
- The Deadly Bees
1966 Screenplay
- The Psychopath
1966 Writer
- El Muñeco
1966 Writer
- The Skull
1965 Story
- Strait-Jacket
1964 Screenplay
- The Night Walker
1964 Screenplay
- The Cabinet of Caligari
1962 Writer
- The Couch
1962 Screenplay
- The Devil's Ticket
1961 Writer
- Psycho
1960 Novel
