The Gay Dog is a 1954 British comedy film directed by Maurice Elvey and starring Wilfred Pickles, Petula Clark and Megs Jenkins. It was filmed at Southall Studios, and features Petula Clark singing "A Long Way to Go", written by Joe Henderson and Leslie Clark (Petula's father). The film was based on a play by Joseph Colton; also starring Pickles and Jenkins, it had run at London's Piccadilly Theatre for 276 performances from June 1952 to February 1953. The film was shot at the Riverside Studios in Hammersmith with sets designed by the art director Cedric Dawe.