• 
  Harry Shearer

  regizor

• 
  David Letterman

  Himself (segment "With My Own Eyes")
• 
  Clint Howard

  Himself (segment "But I'm Happy")
• 
  Ron Howard

  Himself (segment "But I'm Happy")
• 
  Peter Jurasik

  Himself
• 
  Bette Midler

  Himself (segment "Why Bother?")
• 
  Michael McKean

  Himself (segment "The Making Of You Wouldn't Believe Our World")
• 
  Michael Keaton

  Himself (segment "But I'm Happy")

• 
  Christopher Guest

  Himself (segment "The Making Of You Wouldn't Believe Our World")
• 
  Catherine O'Hara

  Himself
• 
  Marcia Strassman

  Herself (segment "The Making Of You Wouldn't Believe Our World")
• 
  Andrea Martin

  Himself
• 
  Harry Shearer

  Himself (segment "The Making Of You Wouldn't Believe Our World")
• 
  Michael McKean

  Soundtrack
• 
  Marcia Strassman

  Soundtrack

• 
  Harry Shearer

  Soundtrack