Cast and credits of Secrets of a Successful Marriage

Dan Castellaneta
Homer Simpson / Barney Gumble / Grampa / Squeaky-Voiced Teen / Groundskeeper Willie / Hans Moleman / Sideshow Mel (voice)

Julie Kavner
Marge Simpson / Patty Bouvier (voice)

Nancy Cartwright
Bart Simpson (voice)

Yeardley Smith
Lisa Simpson (voice)

Hank Azaria
Moe Szyslak / Carl / Adult Class Principal / Apu Nahasapeemapetilon / Chief Wiggum (voice)

Harry Shearer
Lenny / Ned Flanders / Man Chewing Tobacco / Principal Skinner / Otto / Smithers / Mr. Burns / Reverand Lovejoy (voice)

Phil Hartman
Lionel Hutz (voice)

Marcia Wallace
Edna Krabappel (voice)

Pamela Hayden
Smithers' Ex-Wife (voice)

Maggie Roswell
Miss Hoover / Woman in Class / Helen Lovejoy (voice)