The Intruders were an American soul music vocal group most popular in the 1960s and 1970s. As one of the first groups to have hit songs under the direction of Kenny Gamble and Leon Huff, they were a major influence on the development of Philadelphia soul.

Kenneth Gamble and Leon A. Huff are an American songwriting and production team credited for developing the Philadelphia soul music genre of the 1970s. In addition to forming their own label, Philadelphia International Records, Gamble and Huff have written and produced 175 gold and platinum records, earning them an induction into the Rock and Roll Hall of Fame in the non-performer category in March 2008.