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Peter Graves as Douglas Martin |
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Barbara Bestar as Ellen Martin |
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James Seay as Col Banks |
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Frank Gerstle as Dr. Curt Kruger |
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Shepard Menken as Maj. Clift |
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Steve Pendleton as FBI Agent Briggs |
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John Frederick as Denab / The Tala |
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Jack Daly as Powerhouse Control Room Worker |
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Burt Wenland as Sgt. Bandaro |
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Ruth Bennett as Miss Vincent |
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Ron Kennedy as M.P. Sgt Powers |
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Lester Dorr as Gas Station Attendant |
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Roy Engel as Police Dispatcher (bit) |
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Ben Welden as Tar Baby 2 Pilot (bit) |
| Directing | W. Lee Wilder | Director |
| Production | W. Lee Wilder | Producer |
| Writing | William Raynor | Screenplay |
| Writing | Myles Wilder | Story |
| Sound | Manuel Compinsky | Original Music Composer |
| Camera | William H. Clothier | Director of Photography |
| Costume & Make-Up | Harry Thomas | Makeup Artist |
