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Buster Crabbe as Buck Rogers |
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Constance Moore as Wilma Deering |
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Jackie Moran as George 'Buddy' Wade |
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Anthony Warde as Killer Kane |
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C. Montague Shaw as Prof. Huer |
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William Gould as Air Marshal Kragg |
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Philson Ahn as Prince Tallen |
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Guy Usher as Aldar |
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Henry Brandon as Capt. Laska |
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Wheeler Oakman as Lt. Patten |
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Kenne Duncan as Lt. Lacy |
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Jack Mulhall as Capt. Rankin |
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Reed Howes as Capt. Roberts |
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Carleton Young as Scott |
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Karl Hackett as Councillor Krenko |
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John Harmon as Hidden City Air Controller |
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Wade Boteler as Prof. Wade |
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Al Bridge as Dynamo Room Floor Guard |
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Roy Butler as Control Officer |
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Eddy Chandler as Captain of Dirigible |
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Lane Chandler as Army Official at Wade's Lab |
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Russ Clark as Lt. Carson |
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James Conaty as Kane Councilman |
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Cyril Delevanti as Saturnian Councilman |
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Frank Ellis as Kane Soldier |
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Jack Gardner as Prof. Huer's Lab Assistant |
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Kenneth Harlan as Reporter at Wade's Lab |
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Ben Lewis as Cell Guard (uncredited) |
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Theodore Lorch as Kane's Council Member |
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Edmund Mortimer as Member of War Council |
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Eddie Parker as Council-Room Guard |
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Stanley Price as Capt. Martin / Zugg Man |
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David Sharpe as Kane Pilot / Hidden City Sentry / Saturnian Lieutenant |
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Tom Steele as Kane Pilot / Hidden City Tech / Balcony Guard |
| Writing | Norman S. Hall | Writer |
| Crew | Ed Keyes | Special Effects |
| Production | Barney A. Sarecky | Producer |
| Art | Ralph M. DeLacy | Art Direction |
| Writing | Ray Trampe | Writer |
| Crew | Jerome Ash | Cinematography |
| Directing | Ford Beebe | Director |
| Directing | Saul A. Goodkind | Director |
