Casting et fiche technique de Les Simpson S11E17 Les Simpson dans 30 ans. 
Réalisation
Casting
Karl Wiedergott
Billy Carter
Billy Carter
Dan Castellaneta
Groundskeeper Willie / Barney / 'Rip-off!' / Homer Simpson
Groundskeeper Willie / Barney / 'Rip-off!' / Homer Simpson
Hank Azaria
Englishman / Chinese Man / Carl / Holo-gram Man / Tribal Chief / Backstage Guard / Guard / Ranger /
Englishman / Chinese Man / Carl / Holo-gram Man / Tribal Chief / Backstage Guard / Guard / Ranger /
Harry Shearer
Frenchman / German / Lenny / Director / Kent Brockman / Ned Flanders
Frenchman / German / Lenny / Director / Kent Brockman / Ned Flanders
Julie Kavner
Marge Simpson
Marge Simpson
Nancy Cartwright
Kearney / Ralph Wiggum / Nelson Muntz / Bart Simpson
Kearney / Ralph Wiggum / Nelson Muntz / Bart Simpson
Tress MacNeille
Aide / Helen Thomas
Aide / Helen Thomas
Pamela Hayden
Milhouse Van Houten
Milhouse Van Houten
Yeardley Smith
Lisa Simpson
Lisa Simpson
Scénario
