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)
Jay Thomas
Barry Anger (voice)
Estelle Harris
Mrs. Boogin (voice)
Genie Francis
Marsha / Marcia (voice)
Anthony Geary
John / Juan (voice)
Rosalyn Landor
The Blue Fairy (voice)
David Maples
Beefeater (voice)
Pamela Adlon
Trevor / Taylor / Tyler (voice)
Timothy Stack
Father (voice)
Emma Steinkellner
Little Girl (voice)
Ken Swofford
Officer White (voice)
Lauren Tom
Younghee (voice)
Mae Whitman
Leslie Dunkling (voice)
Kevin Michael Richardson
Conductor (voice)
Gary Baseman
Art Direction
Christina Long
Assistant Art Director
Alfred Gimeno
Storyboard Artist
Celia Kendrick
Chuck Klein
Ennio Torresan Jr.
Fred Gonzales
Melissa Suber
Timothy Bjorklund
Tina Kügler
Zac Moncrief
Billiam Coronel
Additional Writing
Jess Winfield
Jim Fisher
Jim Staahl
Director
Nancy Frazen
Supervising Film Editor
Melinda Carrilla
Associate Producer
Jamie Thomason
Casting
Bill Steinkellner
Executive Producer
Cherie Steinkellner
Michael Karafilis
Line Producer
Stephen Swofford
Producer
Stephen James Taylor
Original Music Composer
Brian Woodbury
Songs
Kevin Quinn
Peter Lurye
Randy Petersen
Ronald Eng
Sound Editor
Christy Carlson Romano
Theme Song Performance
Kim Roberson
Character Designer
Screenplay
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