Rock-a-Doodle is a 1991 Irish/British/American live-action/animated musical comedy adventure movie. It was produced by Sullivan Bluth Studios and Goldcrest Films. It is loosely based on Edmond Rostand's comedy Chantecler. Rock-a-Doodle was directed by Don Bluth and written by David N. Weiss. The movie has the voices of Glen Campbell, Christopher Plummer, Phil Harris (in his last movie role before his retirement and death), Charles Nelson Reilly, Sorrell Booke, Sandy Duncan, Eddie Deezen, Ellen Greene, and Toby Scott Ganger in his movie debut. The movie was released in the United Kingdom on 2 August 1991 and in the United States and Canada on 3 April 1992.