How many movies have Giovanni Martinelli and Louis D'Angelo acted in together?

They have worked on 1 movie together! Their first movie together was Giovanni Martinelli, Tenor, Assisted by Louis D'Angelo, Bass, of the Metropolitan Opera Company, in a Duet from Act IV of the Opera 'La juive' (1927) and was their highest rated movie together. They have not worked together since Giovanni Martinelli, Tenor, Assisted by Louis D'Angelo, Bass, of the Metropolitan Opera Company, in a Duet from Act IV of the Opera 'La juive' (1927).