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George Peppard as Major John David Harkness |
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Pernell Roberts as Jackson Buckley |
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Belinda Montgomery as Heller Chase |
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L.Q. Jones as Ben Lawler |
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George Murdock as Captain MacDowell |
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Barry Brown as Garratt |
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Dana Elcar as Captain Detroville |
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John Kellogg as Sgt. Major Marcy |
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Bo Svenson as Raeder |
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Vincent Van Patten as Peter Harkness |
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Joaquín Martínez as Santanta |
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Randolph Mantooth as 2nd Lt. Lewis |
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Clint Ritchie as Corporal Love |
| Production | Joseph C. Cavalier | Unit Manager |
| Art | Russell C. Forrest | Art Direction |
| Crew | Frank Noel | Stunts |
| Art | George Milo | Set Decoration |
| Directing | James Fargo | Assistant Director |
| Sound | James R. Alexander | Sound |
| Costume & Make-Up | Charles Waldo | Costume Design |
| Directing | Ted Post | Director |
| Writing | Christopher Knopf | Teleplay |
| Writing | Christopher Knopf | Story |
| Production | David J. O'Connell | Supervising Producer |
| Sound | Leonard Rosenman | Original Music Composer |
| Production | David Victor | Executive Producer |
| Production | Norman Lloyd | Producer |
| Writing | Douglas Benton | Story |
| Camera | Enzo A. Martinelli | Director of Photography |
| Writing | David Victor | Story |
| Editing | Robert L. Kimble | Editor |
