Cast and credits of Bart's Inner Child

Dan Castellaneta
Homer Simpson / Krusty the Clown / Mayor Quimby / Grampa / Groundskeeper Willie / Bandstand Assembler / Squeaky-Voiced Teen / McGonigal / Shout

Julie Kavner
Marge Simpson / Selma Bouvier / Patty Bouvier (voice)

Nancy Cartwright
Bart Simpson / Todd Flanders / Nelson Muntz / Shouting Crowd (voice)

Yeardley Smith
Lisa Simpson / Shouting Crowd (voice)

Hank Azaria
Snake / Apu Nahasapeemapetilon / Moe Szyslak / Carl / Captain McCallister / TV Chief (voice)

Harry Shearer
Otto / Ned Flanders / Mr. Burns / Lenny / Principal Skinner / Jasper / Kent Brockman / Reverand Lovejoy / Smithers / Dr. Hibbert

James Brown
James Brown (voice)

Phil Hartman
Troy McClure (voice)

Marcia Wallace
Edna Krabappel (voice)

Albert Brooks
Brad Goodman (voice) (as A. Brooks)

Pamela Hayden
Milhouse Van Houten / Rod Flanders / Jimbo Jones / Shouting Crowd (voice)

Russi Taylor
Wendell Borton / Martin Prince (voice)