- Country: USA
- Genres: Thriller
- Release: 1974-06-01
- Director: Richard Quine
- Writers: Gerald Di Pego , James Kelley , Ronald Shusett
- Language: English
- Stars: Twiggy , Michael Witney , Eugene Roche , Dirk Benedict , John Vernon , Michael Conrad , Alfred Ryder , Carmen Zapata , Dave Morick , Ken Lynch
- Runtime: 95 min
- Awards: N/A
- AKA: Terror se escribe con sangre (Mexico) , W , I Want Her Dead , W (Greece) , W is the Mark of Death (United States of America) , W: Un thriller per Twiggy (Italy) , Cinayet izleri (Turkey) , W (United States of America) , W: A Marca do Terror (Brazil) , W (United Kingdom) , Wahnsinn - Der Tod hat nur einen Buchstaben , W - den ukendte hævner (Denmark) , Kauhu kirjoitetaan yhedellä kirjaimella ...W (Finland) , W (Sweden) , W (Spain)
- Plot: Katie Lewis and her husband Ben discover that they are the targets of a mysterious killer who leaves the letter W at the scene of their near-fatal "accidents." While trying to avoid death, the couple must struggle to discover the source of these attacks.
- IMDB:tt0072386
W Cast · · · ALL
Richard Quine
Director
Twiggy
Katie Lewis
Michael Witney
Ben Lewis
Eugene Roche
Charles Jasper
Dirk Benedict
William Caulder
John Vernon
Arnie Felson
Michael Conrad
Lt. Whitfield
Alfred Ryder
Investigator
Carmen Zapata
Betty
Dave Morick
Paul
Ken Lynch
Guard
Peter Walker
Prison Official