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John Agar as Steve March |
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Joyce Meadows as Sally Fallon |
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Robert Fuller as Dan Murphy |
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Thomas Browne Henry as John Fallon |
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Henry Travis as Colonel Frogley |
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E. Leslie Thomas as General Brown |
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Tim Graham as Sheriff Wiley Pane |
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Bill Giorgio as Russian |
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Ken Terrell as Colonel in Conference Room |
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Dale Tate as Professor/voices of Gor & Vol (uncredited) |
| Sound | Walter Greene | Original Music Composer |
| Camera | Jacques R. Marquette | Director of Photography |
| Writing | Ray Buffum | Screenplay |
| Directing | Nathan Juran | Director |
| Production | Jacques R. Marquette | Producer |
| Editing | Irving M. Schoenberg | Supervising Film Editor |
| Directing | Bert Chervin | Assistant Director |
| Sound | Philip Mitchell | Sound |
| Production | Dale Tate | Associate Producer |
| Production | J. Francis White | Executive Producer |
| Production | Joy N. Houck | Executive Producer |
| Costume & Make-Up | Jack Pierce | Makeup Artist |
