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Ricardo Montalban as Sergeant Frank Ortega |
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Jack Warden as Lieutenant George Coy |
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Elizabeth Ashley as Sally Dillman |
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Dane Clark as Tamworth |
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Burr DeBenning as Peter Sargent Fennington |
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Roy Poole as Glenn Kennedy |
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Charles Dierkop as Patsy Fain |
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Regis Cordic as Dr. Landsteiner |
| Costume & Make-Up | Fred Williams | Makeup Artist |
| Directing | George McCowan | Director |
| Writing | Howard Fast | Writer |
| Writing | Edward Hume | Writer |
| Sound | Morton Stevens | Original Music Composer |
