Zero Effect is a 1998 mystery comedy film written and directed by Jake Kasdan. It stars Bill Pullman as "the world's most private detective", Daryl Zero, and Ben Stiller as his assistant Steve Arlo. The plot of the film is loosely based on the Arthur Conan Doyle short story "A Scandal in Bohemia".
The film was shot in Portland, Oregon. It was scored by The Greyboy Allstars. It was screened in the Un Certain Regard section at the 1998 Cannes Film Festival.
