Showdown (1942)
Regisseur: Izzy Sparber
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Joan Alexander Lois Lane |
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Jackson Beck The Boss |
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Bud Collyer Superman/Clark Kent |
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Jack Mercer Office boy, Fake Superman |
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Julian Noa Narrator |
| Writing | Jerry Siegel | Characters |
| Writing | Joe Shuster | Characters |
| Directing | Izzy Sparber | Director |
| Writing | Jay Morton | Story |
