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Jean Muir as Ellen Haslett |
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Barton MacLane as Andrew Beaupre |
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Henry O'Neill as Dr. Thomas Haslett |
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Robert Barrat as Martin Crane |
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Addison Richards as John McNally |
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Helen MacKellar as Mrs. Mary Haslett |
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Gordon Oliver as Pete Lawson |
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Joseph Crehan as Dr. Stuart Hunter |
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Priscilla Lyon as Suzanne Haslett |
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Walter Miller as Maxwell |
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Herbert Heywood as Steve |
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Ben Hendricks Jr. as Captain Harper |
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Tom Browner as Newspaper Reader (uncredited) |
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Eddy Chandler as Driller (uncredited) |
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Neal Dodd as Priest (uncredited) |
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Sam Hayes as Radio Announcer (uncredited) |
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Henry Otho as Gene - Rescue Worker (uncredited) |
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Paul Panzer as Pierre - Man Carrying Injured Suzy (uncredited) |
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Russ Powell as Toby - the Bartender (uncredited) |
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Dick Purcell as Trapped Draegerman (uncredited) |
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John J. Richardson as Jack - Pete's Co-Worker (uncredited) |
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Myrtle Stedman as Nurse (uncredited) |
| Directing | Louis King | Director |
| Writing | Anthony Coldeway | Original Story |
| Writing | Anthony Coldeway | Screenplay |
| Camera | Gilbert Warrenton | Director of Photography |
| Editing | Jack Killifer | Editor |
| Sound | Heinz Roemheld | Original Music Composer |
| Production | Bryan Foy | Producer |
| Production | Jack L. Warner | Executive Producer |
| Production | Hal B. Wallis | Executive Producer |
| Art | Hugh Reticker | Art Direction |
| Costume & Make-Up | Milo Anderson | Costume Design |
