Simpsons casting director Scott Muller to cast The Most Serious Fart

Scott Muller, casting director of The Simpsons, will oversee voice casting for Utopai's animated feature The Most Serious Fart, Variety reported on 17 September 2026. The adaptation of Mike Bender's bestselling book about Siegfried the fart is set for theatrical release in 2027, with Muller's Futurama and King of the Hill work noted in the same Variety report.