Convoy is a 1927 American silent World War I drama film directed by Joseph C. Boyle and Lothar Mendes, starring Lowell Sherman and Dorothy Mackaill, and released through First National Pictures. The film is an early producing credit for the Halperin Brothers, Victor and Edward, later of White Zombie fame, and is the final screen appearance of Broadway stars Gail Kane and Vincent Serrano.The Alfred Hitchcock film Notorious (1946) was based on the same story, originally published in The Saturday Evening Post.