| Release Date | 05 April 1973 |
| Other Names | Much Ado About Murder |
| Tagline | At your own risk |
| Genre | Comedy, Mystery, Horror |
| Country | UK |
| Filming Locations | Kensal Green Cemetery, Harrow Road, Kensal Green, London, England, UK |
| Language | English |
| Sound Mix | Mono |
| Color | Color |
| Film Type | Feature |
| Film Class | Horror Comedy |
| Themes | Out For Revenge, Actor's Life |
| Tones | Wry, Satirical, Quirky |
| Tags | Actor, Bitterness, Critic, Daughter, Deception, Fraud, Injustice, Inspiration, Investigation, Murder, Revenge, Suicide |
Theatre of Blood is a (1973) horror film starring Vincent Price as vengeful actor Edward Lionheart and Diana Rigg as his daughter Edwina Lionheart. It was directed by Douglas Hickox.