cast
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Curtis Armstrong
Robot DeFault / Marf (voice)
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Harland Williams
Monster Krumholtz (voice)
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Maurice LaMarche
Gart / Perry / Loudmouth (voice)
-
Jonathan Slavin
Ogo (voice)
-
Megan Hilty
J.D. (voice)
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Cree Summer
Spitfire / Globitha (voice)
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Rhea Perlman
Nessie (voice)
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Fred Tatasciore
Punch Morley (voice)
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Kurtwood Smith
Mr. Wheelie (voice)
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Ping Wu
Master Grabmirist (voice)
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Nolan North
Hal Worth-a-ton / Uncle Kuffley / Crikey (voice)
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Jeff Bennett
Snap Winsome (voice) / Snap Winsome / Lil' Lugnuts (voice) / Marf (speaking) / Snap Winsome (voice)
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April Winchell
Arpa / Grandma 10010 (voice)
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Jennifer Cody
Lucy (voice)
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Alan Tudyk
Crazy Cousin Gizmo (voice)
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Bill Fagerbakke
Lev (voice)
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Ruth Williamson
Dame Lady Madame (voice)
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Jon Polito
Sir Cranklin (voice)
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Rob Paulsen
Bob / Scale (voice)
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Jeffrey Tambor
St. Crispy (voice)
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Leon Thomas III
Monster's Singing Voice (voice)
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Kari Wahlgren
Robo Ono (voice)
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Greg Cipes
Vapid Milquetoast (voice)
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Harriet Sansom Harris
Bea Holder (voice)
-
Adam Wylie
Fuzzy Slippers (voice)
