Global audiences have already had a chance to see Emilio Insolera in the Netflix drama Feel My Voice , about a shy teenager with a gift for singing, since it bowed on April 3.   But they won’t have heard the Italian actor and film producer’s actual voice — except for two scenes where he yells — as Insolera is deaf. Relying on sign language, in Feel My Voice he plays the deaf father of a hearing daughter with a passion for singing in the Italian-language remake of  La Famille Bélier , which was later adapted into  CODA , the Academy Award–winning film. Being seen and heard is important for Insolera, as he can both speak and sign in four languages: Spanish, Italian, English and Japanese. So he sees great creative opportunity for film and TV directors that allow him to be heard on camera. “Imagine a film character who speaks four signed languages and four spoken languages. It would break the deaf stereotype.…