IMDb > "The Grim Adventures of Billy & Mandy" Who Killed Who?/Tween Wolf (2003)

"The Grim Adventures of Billy & Mandy" Who Killed Who?/Tween Wolf (2003)"Grim & Evil" Who Killed Who?/Tween Wolf (original title)

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Maxwell Atoms (creator)
View company contact information for Who Killed Who?/Tween Wolf on IMDbPro.
Original Air Date:
4 July 2003 (Season 2, Episode 4)
When Irwin turns into a werewolf, Billy enters him in the dog show. Mandy visits the old haunted house down the street, which nobody has emerged from in years. Will Mandy make it out alive? | Add synopsis »


 (Episode Cast)

Victoria Carroll ... Judge (voice)

Greg Eagles ... Grim (voice)

Grey Griffin ... Mandy (voice) (as Grey DeLisle)

Jennifer Hale ... Billy's Mom (voice)

Richard Steven Horvitz ... Billy / Billy's Dad / Saliva (voice) (as Richard Horvitz)

Vanessa Marshall ... Irwin / Sprinkles (voice)

Billy West ... Teen Wolf / Announcer (voice)

Betty White ... Mrs. Doolin (voice)

Episode Crew
Directed by
John McIntyre 
Randy Myers 
Patty Shinagawa  (as Pat Shinagawa)
Writing credits
(in alphabetical order)
Maxwell Atoms  creator

Produced by
Maxwell Atoms .... executive producer
Louis J. Cuck .... producer
Genndy Tartakovsky .... supervising producer
Casting by
Kris Zimmerman 
Production Management
Jay Bastian .... executive in charge of production
Art Department
David Mucci Fassett .... storyboard artist (as Mucci Fassett)
Paul McEvoy .... storyboard artist
Sound Department
Brad Brock .... sound re-recording mixer
Robert Serda .... sound recording engineer
Kris Zimmerman .... recording director
Other crew
Sharra Gage .... talent coordinator
Karie Gima Pham .... talent coordinator

Series Crew
These people are regular crew members. Were they in this episode?
Writing credits
(in alphabetical order)
Maxwell Atoms  creator

Film Editing by
Illya Cano 
Production CompaniesOther Companies

Additional Details

Also Known As:
"Grim & Evil: Who Killed Who?/Tween Wolf (#2.4)" - USA (original title)

Did You Know?

Grim:I know everything there is to know about *that* house.See more »
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Main series Episode guide Full cast and crew
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IMDb USA section

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