Zero Effect is a 1998 American mystery comedy film written and directed by Jake Kasdan in his feature directional debut. Starring Bill Pullman as "the world's most private detective", Daryl Zero, and Ben Stiller as his assistant Steve Arlo, the film's plot is loosely based on the Arthur Conan Doyle short story "A Scandal in Bohemia". Shot in Portland, Oregon and scored by The Greyboy Allstars, the film was screened in the Un Certain Regard section at the 1998 Cannes Film Festival. The film did not perform well at the box-office grossing $2 million with a budget of $5 million.