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Walter Matthau as Jack Martin |
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Carol Grace as Carol Logan |
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Bruce MacFarlane as Earl J. Dawson |
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Garry Walberg as Adolph |
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Raikin Ben-Ari as "Plumber" |
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David Leonard as W. Palmer |
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John Albright as Henchman |
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Clegg Hoyt as Caretaker at Country Club |
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Leonard Bremen as FBI Agent (uncredited) |
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Vic Tayback as Norm (uncredited) |
| Directing | Walter Matthau | Director |
| Writing | Paul Purcell | Screenplay |
| Writing | V.J. Rheims | Story |
| Writing | Richard Grey | Story |
| Production | Jonathan Daniels | Producer |
| Production | Wayne Mitchell | Associate Producer |
| Editing | Radley Metzger | Editor |
| Directing | Charles H. Maguire | Assistant Director |
| Sound | Maurice Rosenblum | Sound Mixer |
| Camera | Sven Walnum | Key Grip |
| Editing | Douglas Menville | Assistant Editor |
| Sound | Alec Compinsky | Music Supervisor |
| Camera | Max Glenn | Director of Photography |
