• Stan Marsh as Tim Avery
  • Butters Stotch as The Mask
  • Wendy Testaburger as Tonya Avery
  • Sparky as Otis
  • Jimmy the Bulldog as The Mask Dog
  • Kyle Broflovski as Jorge
  • Rebecca Cotswolds as Sylvia
  • Mr. Garrison as Daniel Moss
  • Bebe Stevens as Neighbor Betty
  • Scott Tenorman as Loki
  • Dr Chinstrap as Dr Neuman
  • Jimmy Valmer as Museum Boy
  • Mr Slave as Museum Redneck
  • Craig Tucker as Museum Person
  • Eric Cartman as Museum Security Guard
  • Kenny McCormick as Chris
  • Chef as Dr. Hamada
  • Randy Marsh as Mr. Kemperbee
  • Bradley Biggle as Chad

See Also

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