Walter Walker was an American actor of the stage and screen during the first half of the twentieth century. Born in New York City on March 13, 1864, Walker would have a career in theater prior to entering the film industry. By 1915 he was appearing in Broadway productions, his first being Sinners, written by Pulitzer Prize-winning playwright, Owen Davis. His film debut was in a leading role in 1917's American – That's All. He had a lengthy career, in both film and on stage, appearing in numerous plays and over 80 films. Walker died on December 4, 1947, in Honolulu, Hawaii.

Flying Down to Rio is a 1933 American pre-Code RKO musical film famous for being the first screen pairing of Fred Astaire and Ginger Rogers, although lead actors Dolores del Río and Gene Raymond received top billing. Among the featured players are Franklin Pangborn and Eric Blore. The songs in the film were written by Vincent Youmans (music), Gus Kahn and Edward Eliscu (lyrics), with musical direction and additional music by Max Steiner. During the 7th Academy Awards, the film was nominated for the new category of Best Original Song for "Carioca", but it lost to "The Continental" from The Gay Divorcee, the next Astaire and Rogers film.