
Let's Do It Again, the 1975 Sidney Poitier black African American blaxploitation boxing sports crime comedy starring Sidney Poitier, Bill Cosby, Calvin Lockhart, John Amos, Julius Harris, Denise Nicholas, Lee Chanberlin, Mel Stewart, Jimmie Walker (billed as "Jimmie Walker as Bootney Farnsworth"), Ossie Davis, George Foreman, and The Staple Singers