Cast

Nathan Lane

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

Kelsey Grammer

Dr. Ivan Krank (voice)

Shaun Fleming

Leonard Amadeus Helperman (voice)

Debra Jo Rupp

Mrs. Mary Lou Moira Angela Darling Helperman (voice)

David Ogden Stiers

Mr. Jolly (voice)

Jerry Stiller

Pretty Boy (voice)

Paul Reubens

Dennis (voice)

Megan Mullally

Adele (voice)

Wallace Shawn

Principal Crosby Strickler (voice)

Rob Paulsen

Ian Wazselewski (voice)

Crew

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Timothy Bjorklund

Director (Directing)

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Chuck Klein

Storyboard Artist (Art)

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Celia Kendrick

Storyboard Artist (Art)

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Melissa Suber

Storyboard Artist (Art)

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Nancy Frazen

Supervising Film Editor (Editing)

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Tina Kügler

Storyboard Artist (Art)

Kim Roberson

Character Designer (Visual Effects)

Jim Staahl

Additional Writing (Crew)

Christy Carlson Romano

Theme Song Performance (Sound)

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Christina Long

Assistant Art Director (Art)