Harry Shearer

Seymour Skinner (voice)

Mike Michaelson

Scratchy / Mr. Burns / Rev. Lovejoy / Ned Flanders / Lenny / Skull / President Arnold Schwarzenegger / Kent Brockman / Principal Skinner / Dr. Hibbert / Smithers / Toll Booth Man / Guard / Otto / Kang (voice)

Dog Announcer (voice)

Punch-It (voice)

Radio announcer (uncredited)

Charles Caiman

Carl Sagan (voice)

Newsreel Announcer

Lenny Leonard (voice)

Ned Flanders (voice)

Guido Finucci

Derek Smalls

Sitcom Actor Ben Starr

Voice of Scratchy (voice) (archive footage)

NASA Recruiter

Jonathan P.E. Rice

Fairy #3 (voice)

Jeffrey Marx

Handsome Dan

Derek Smalls

Ned Flanders / Kent Brockman / Mr. Burns (voice)

David (uncredited)

Mr. Burns (voice)

Mr. Burns

Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)

Derek Smalls (voice)

Dr. Baldharar

Self

Self - Guest

Self

Dr. Joseph Shuster (voice) (uncredited)

Narrator / Emcee (uncredited)

Franklin Roosevelt / Joe Garagiloa / Various (uncredited)

Various (uncredited)

Self - Various Characters

Derek Smalls (uncredited)

Self

John Smythe

Self

Derek Smalls - Guest/Musical Guest

Self - Guest

Self

Nowhere Man

FBI Agent Timothy Anderson

Self - Guest

Self

Gordon Huyck