W (also titled I Want Her Dead and W Is the Mark of Death) is a 1974 American psychological thriller film directed by Richard Quine and starring Twiggy, Dirk Benedict and Michael Witney. It was produced by Mel Ferrer.^[1]

Within 24 hours, three near-fatal accidents have occurred. At the scene of each, the letter "W" is scrawled over the injured person. Katie Lewis (Twiggy) and her husband Ben (Michael Witney) discover that these accidents are in fact the work of a mysterious killer, and that they are the real targets. While trying to avoid death, the couple must struggle to discover the source of these attacks.

• Twiggy as Katie Lewis
• Michael Witney as Ben Lewis
• Eugene Roche as Charles Jasper
• Dirk Benedict as William Caulder
• John Vernon as Arnie Felson
• Michael Conrad as Lt. Whitfield
• Alfred Ryder as Investigator

W was filmed at San Pedro Harbor and Trancas Beach, California, from April 30 to mid-June 1973.

• List of American films of 1974

• W at IMDb
• W at Rotten Tomatoes
• W at the AFI Catalog of Feature Films