How many movies have Casey Kasem and Michael Bell acted in together?

They have worked on 9 movies together! Their first movie together was Scooby Goes Hollywood (1979) while their highest rated movie together was Scooby-Doo's Original Mysteries (2000). They have not worked together since Scooby-Doo: Mystery in Motion (2012). They are most known for their animation films together.

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Shaggy Rogers / Sheriff (voice) (archive footage)
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Mark (voice) (archive footage)
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Shaggy Rogers (voice) (archive footage)
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(voice) (archive footage)
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Shaggy Rogers (voice)
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Duncan MacGubbin / Mcintyre (voice)
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Wedding DJ (voice)
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Drew Pickles / Chaz Finster, Sr. (voice)
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Shaggy Rogers (voice) (archive footage)
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(voice) (archive footage)
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Cliffjumper (voice)
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Prowl / Scrapper / Swoop / Junkion (voice)
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Cliffjumper / Bluestreak / Teletraan 1
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Sideswipe / Prowl
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Shaggy Rogers (voice)
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Jesse Rotten / V.P. Jackie Carlson (voice)