Rio is a 1939 American crime film directed by John Brahm and starring Basil Rathbone and Victor McLaglen. The film's title sequence doesn't credit a producer.

Charles Clarence Robert Orville Cummings was an American film and television actor who appeared in roles in comedy films such as The Devil and Miss Jones (1941) and Princess O'Rourke (1943), and in dramatic films, especially two of Alfred Hitchcock's thrillers, Saboteur (1942) and Dial M for Murder (1954). He received five Primetime Emmy Award nominations, and won the Primetime Emmy Award for Best Actor in a Single Performance in 1955. On February 8, 1960, he received two stars on the Hollywood Walk of Fame for his contributions to the motion picture and television industries, at 6816 Hollywood Boulevard and 1718 Vine Street. He used the stage name Robert Cummings from mid-1935 until the end of 1954 and was credited as Bob Cummings from 1955 until his death.