Elenco

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  Nathan Lane

  Spot Helperman / Scott Leadready II / Scott Manly-Manning (voice)

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  Kelsey Grammer

  Dr. Ivan Krank (voice)

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  Shaun Fleming

  Leonard Amadeus Helperman (voice)

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  Debra Jo Rupp

  Mrs. Mary Lou Moira Angela Darling Helperman (voice)

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  David Ogden Stiers

  Mr. Jolly (voice)

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  Jerry Stiller

  Pretty Boy (voice)

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  Paul Reubens

  Dennis (voice)

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  Megan Mullally

  Adele (voice)

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  Wallace Shawn

  Principal Crosby Strickler (voice)

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  Rob Paulsen

  Ian Wazselewski (voice)