Calificación
Reparto
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Johnny Cash
Self (archive footage)
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Saul Holiff
Self (archive footage)
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June Carter Cash
Self (archive footage)
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David Disher
Johnny Cash at 30
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Gary Holiff
Saul Holiff at 30
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Jonathan Holiff
Self
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Bill Haley
Self (archive footage)
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Jon Blair
Phil Balsley