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Peter Cullen as Hägar |
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Lainie Kazan as Helga |
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Lydia Cornell as Honi |
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Jeff Doucette as Lucky Eddie / Joe |
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Don Most as Lute Instructor |
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Josh Rodine as Hamlet / Kid |
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Hank Saroyan as Olaf / Doorman |
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Jack Tice as Teacher |
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Frank Welker as Principal / Al / Snert / Kvaak / Narrator |
| Production | Stephen Wells | Supervising Producer |
| Crew | Dik Browne | Creator |
| Production | Douglas Wyman | Supervising Producer |
| Sound | Sven Libaek | Music |
| Production | Kris Zimmerman | Casting Coordinator |
| Art | Iwao Takamoto | Creative Director |
| Production | Jeff Segal | Supervising Producer |
| Sound | Hank Saroyan | Other |
| Visual Effects | Ray Patterson | Animation Director |
| Production | Andrea Romano | Casting Director |
| Production | William Hanna | Executive Producer |
| Production | Joseph Barbera | Executive Producer |
| Production | Bruce L. Paisner | Executive Producer |
| Production | Charles Grosvenor | Producer |
| Art | Charles Grosvenor | Storyboard Artist |
| Art | Al Gmuer | Background Designer |
| Production | Barbara Simon-Dierks | Administration |
| Production | Erika Grossbart | Production Assistant |
| Editing | Larry C. Cowan | Supervising Editor |
| Sound | Stan Wetzel | Sound Director |
| Sound | Joanne Miller | Music Supervisor |
| Art | Tom Wogatzke | Graphic Designer |
| Production | Vicki Casper | Production Assistant |
| Art | Bill Proctor | Background Designer |
| Production | Kristina Mazzotti | Production Assistant |
| Production | Kelly McGovern | Production Assistant |
| Sound | Alvy Dorman | Sound Director |
| Sound | Jerry Winicki | Sound Editor |
| Visual Effects | Mike Takamoto | Character Designer |
| Editing | Gil Iverson | Editor |
| Visual Effects | Art Leonardi | Character Designer |
| Production | Sandy Benenati | Production Assistant |
| Production | Jayne Barbera | Executive In Charge Of Production |
| Directing | Bill Proctor | Layout |
| Visual Effects | Oliver Callahan | Key Animation |
| Production | Bob Onorato | Unit Manager |
| Visual Effects | Tony Sgroi | Character Designer |
| Production | Hilary Rushnell | Production Assistant |
| Production | Debby Lathrop-Robbins | Production Assistant |
| Sound | Joe Sandusky | Music Editor |
| Production | Bob Marples | Production Supervisor |
| Crew | Paul Bisch | Additional Music |
| Visual Effects | Alison Leopold | Color Designer |
| Art | Iraj Paran | Graphic Designer |
| Art | Jim Hickey | Background Designer |
| Sound | Pat Foley | Sound Supervisor |
| Visual Effects | Karen Greslie | Color Designer |
| Editing | Kelly Ann Foley | Editor |
| Sound | Michael Bradley | Sound Editor |
| Crew | Joed Eaton | Post Production Supervisor |
| Directing | Ray Patterson | Director |
| Writing | Douglas Wyman | Writer |
| Editing | Terry Moore | Supervising Editor |
| Writing | Dik Browne | Characters |
| Art | Gloria Wood | Background Designer |
