Cast

Greg Eagles

Grim / Sperg (voice)

Richard Steven Horvitz

Billy / Billy's Dad (voice)

Grey DeLisle

Mandy (voice)

Vanessa Marshall

Irwin (voice)

Kari Wahlgren

Velma Green the Spider Queen (voice)

Maxwell Atoms

Jeff the Spider (voice)

Dee Bradley Baker

Chocolate Cow (voice)

Jennifer Hale

Gladysaur (voice)

Chris Cox

Principal Goodvibes (voice)

Jane Carr

Pud'n (voice)

Crew

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Marc Perry

Art Direction (Art)

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Louis J. Cuck

Producer (Production)

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Kris Zimmerman

Casting (Production)

Maxwell Atoms

Executive Producer (Production)

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Brian A. Miller

Executive Producer (Production)

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Jennifer Pelphrey

Supervising Producer (Production)

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Shaun Cashman

Supervising Producer (Production)

Maxwell Atoms

Creator (Crew)

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Matt Engstrom

Director (Directing)

Maxwell Atoms

Writer (Writing)