Harry Shearer

Mr. Burns

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

Dr. Baldharar

Dr. Joseph Shuster (voice) (uncredited)

Narrator / Emcee (uncredited)

Doctor / Tom Clay / Gerald Hacker / Narrator

Franklin Roosevelt / Joe Garagiloa / Various (uncredited)

Various (uncredited)

Secretary / Ted / General / Tom Clay / Teddy Naddler

Steve Martin

Various

Announcer / Executive / Angel

Mr. Blackwell / Various

Donald Erskine / General / Ronald Reagan / Tom Snyder / Various

Carl Sagan / Rod Serling / Customer

Billy Bishop / Tenant / Ronald Reagan / Announcer

Frank Reynolds / Jack Perkins / Dick Drake / Announcer / Lord Salisbury

Self - Various Characters

Derek Smalls (uncredited)

John Smythe

Derek Smalls

Nowhere Man

Principal Peskin

Self - Guest