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Jim Hutton as Ellery Queen |
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David Wayne as Insp. Richard Queen |
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Ray Milland as Carson McKell |
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Kim Hunter as Marion McKell |
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John Hillerman as Simon Brimmer |
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John Larch as District Attorney |
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Tim O'Connor as Ben Waterson |
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Nancy Kovack as Monica Gray |
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Warren Berlinger as Eddie Carter |
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Monte Markham as Tom McKell |
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Gail Strickland as Gail Stevens |
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Tom Reese as Sgt. Thomas Velie |
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Victor Mohica as Ramon |
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Dwan Smith as Cora Edwards |
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John Finnegan as Matthew Thomas Cleary |
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Rosanna Huffman as Radio Actress |
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Jimmy Lydon as Actor |
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Basil Hoffman as Fingerprint Expert |
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Ross Elliott as Judge |
| Writing | Manfred Lee | Novel |
| Writing | Richard Levinson | Teleplay |
| Writing | Frederic Dannay | Novel |
| Production | Richard Levinson | Producer |
| Writing | William Link | Teleplay |
| Art | George C. Webb | Art Direction |
| Directing | David Greene | Director |
| Sound | Elmer Bernstein | Original Music Composer |
| Editing | Douglas Stewart | Editor |
| Camera | Howard Schwartz | Director of Photography |
| Production | William Link | Producer |
