The Mighty Quinn is a 1989 American mystery comedy thriller film starring Denzel Washington in the title role, alongside Robert Townsend, James Fox, Mimi Rogers, M. Emmet Walsh, and Sheryl Lee Ralph. The screenplay by Hampton Fancher is based on A. H. Z. Carr's 1971 novel Finding Maubee. In the film, Washington plays Xavier Quinn, a police chief who tries to help his childhood friend Maubee (Townsend) after he becomes a murder suspect.