The actors are treated as big celebrities at events like Comic - Con , but less so otherwise . The new documentary ` ` I Know That Voice '' sets out to acknowledge the work . Strong : I 've been doing it for over 25 years and others doing it even longer . John Goodman ( ' Futurama ' ) laments the decline in big stars ' voices . Still , there 's plenty of talent to go around , he says .
The actors are treated as big celebrities at events like Comic - Con , but less so otherwise . The new documentary ` ` I Know That Voice '' sets out to acknowledge the work . John Goodman ( ' Futurama ' ) laments the decline in big stars ' voices . Still , there 's plenty of talent to go around , he says .