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Jerry Nelson as Herry Monster (voice) / Frazzle (voice) / Maurice Monster (voice) / Two-Headed Monster (left half) (voice) / Announcer (voice) |
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Kevin Clash as Elmo (voice) |
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Frank Oz as Cookie Monster (voice) / Grover (voice) / Clancy (voice) |
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Cheryl Blaylock as |
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Ed Christie as |
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Jim Henson as Harvey Monster (voice) |
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Richard Hunt as Stuie Monster (voice) / Lavender Frazzletone (voice) / Two-Headed Monster (right half) (voice) / Furline Huskie (voice) / Kermit the Frog (voice) |
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Rick Lyon as |
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Jim Martin as |
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Brian Muehl as |
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Martin P. Robinson as Herry's Father (voice) |
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David Rudman as Herry's Granny (voice) / Herry's Mother (voice) |
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Caroll Spinney as Oscar the Grouch (voice) |
| Production | Nina Elias Bamberger | Producer |
| Directing | Jon Stone | Director |
| Writing | Chris Cerf | Writer |
