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Sandy Descher as Heidi |
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Douglas Fowley as Alm Uncle |
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Van Dyke Parks as Peter |
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Peter Capell as Doc |
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Erik Jeide as Ernst |
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Rolf Wanka as Mr. Binder |
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Oswald Ursteins as Carlo |
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Susan Sainio as Clara |
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Karin Röse as Louise |
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Harold Benedict as Don |
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Clancy Cooper as Dr. Roth |
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Paul McClintock as Gen. Manby |
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Hap Hanson as Col. Porter |
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C. Fowler as Capt. McBee |
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Edwin Anderson as Lt. Williams |
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Wadsworth Likely as Sgt. Cory |
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Ted Mitchell as Pilot |
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Dean Jackson as Radio Operator |
| Directing | George Templeton | Director |
| Writing | David Dortort | Writer |
| Writing | Johanna Spyri | Writer |
| Writing | Eugene Vale | Writer |
| Sound | Bert Grund | Music |
