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Frank Welker as Scooby-Doo / Fred (voice) |
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Mindy Cohn as Velma (voice) |
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Grey DeLisle as Daphne (voice) |
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Matthew Lillard as Shaggy (voice) |
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Greg Ellis as Marcus Brancusi (voice) |
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Maurice LaMarche as Archambault (voice) |
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Peter Stormare as Wulfric von Rydingsvard (voice) |
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Jeff Dunham as Schmatko / Conductor (voice) |
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Carlos Ferro as Oliverio / Sisko (voice) |
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Jess Harnell as Human Scooby-Doo / Guard (voice) |
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Jim Meskimen as Phil Flaxman / Detective (voice) |
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Candi Milo as Jean (voice) |
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Hynden Walch as Lena / Joan (voice) |
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Craig Ferguson as Whitney Doubleday (voice) |
| Production | Sam Register | Executive Producer |
| Sound | Michael Garcia | Dialogue Editor |
| Production | Alan Burnett | Co-Producer |
| Sound | Kelly Ann Foley | ADR Editor |
| Art | Ted Blackman | Art Direction |
| Production | Nicole Martin | Administration |
| Sound | Patrick J. Foley | ADR Editor |
| Sound | Michael Garcia | ADR Editor |
| Art | Eric Semones | Art Direction |
| Production | Amy McKenna | Line Producer |
| Sound | Mark A. Keatts | Supervising Dialogue Editor |
| Sound | Kelly Ann Foley | Dialogue Editor |
| Sound | Gary Marullo | Foley Artist |
| Sound | Patrick J. Foley | Dialogue Editor |
| Production | Liz Carroll | Administration |
| Production | Bobbie Page | Production Supervisor |
| Editing | Kyle Stafford | Editor |
| Production | Ed Adams | Production Manager |
| Production | Jay Bastian | Executive In Charge Of Production |
| Production | Jeff Prezenkowski | Executive In Charge Of Production |
| Art | Phil Langone | Storyboard Artist |
| Production | Tony Cervone | Producer |
| Sound | Robert J. Kral | Original Music Composer |
| Production | Spike Brandt | Producer |
| Production | Andrea Romano | Casting |
| Writing | Doug Langdale | Writer |
| Sound | Mark A. Keatts | Supervising ADR Editor |
| Directing | Heather A. Maxwell | Director |
