Cheer Up and Smile (1930)

When a popular radio singer is knocked unconscious during a robbery, a squeaky-voiced college boy fills in for him. To everyone's amazement, especially his recent girlfriend, who just broke up with him, he becomes an overnight sensation.

Directed by: Sidney Lanfield

Starring: Arthur Lake, Dixie Lee, Olga Baclanova, 'Whispering' Jack Smith, Johnny Arthur, Charles Judels

Links: IMDb, Movie posters, Movie stills