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Tristram Coffin as Jeff King |
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Mae Clarke as Glenda Thomas |
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Don Haggerty as Tony Dirken |
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James Craven as Prof. Millard |
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I. Stanford Jolley as Prof. Bryant |
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House Peters Jr. as Burt Winslow |
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Douglas Evans as Chairman |
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Ted Adams as Martin Conway |
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Stanley Price as Gunther Von Strum |
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Dale Van Sickel as Martin/Professor Drake/Gates |
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Tom Steele as Knox/Taxi Driver |
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David Sharpe as Blears/Cliff/Stark |
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Eddie Parker as Rowan |
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Buddy Roosevelt as Philips |
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Marshall Bradford as Professor Graftner |
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Arvon Dale as Chairman’s Aide |
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Art Gilmore as Newscaster |
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Bert LeBaron as Morgan |
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Carey Loftin as Sparks |
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Jack O'Shea as Walter |
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Bud Wolfe as Clay |
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Frank O'Connor as Warehouse Guard |
| Directing | Fred C. Brannon | Director |
| Writing | Royal K. Cole | Writer |
| Writing | Sol Shor | Writer |
| Editing | Cliff Bell Sr. | Editor |
| Writing | William Lively | Writer |
| Camera | Ellis W. Carter | Director of Photography |
| Editing | Sam Starr | Editor |
