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Peter Falk as Columbo |
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Gene Barry as Dr. Ray Flemming |
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Katherine Justice as Joan Hudson |
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William Windom as Burt Gordon |
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Nina Foch as Carol Flemming |
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Virginia Gregg as Miss Petrie |
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Andrea King as Cynthia Gordon |
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Susanne Benton as The Blonde |
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Ena Hartman as Nurse |
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Sherry Boucher as Air Hostess |
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Anthony James as Tommy |
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Frank Baker as Man in Park (uncredited) |
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Jim Creech as Policeman in Hospital (uncredited) |
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Ed Haskett as Party Guest (uncredited) |
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Clark Howat as Doctor (uncredited) |
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Mark Russell as Policeman (uncredited) |
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Don Stewart as Airline Ticket Man (uncredited) |
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Tom Williams as Laundry Delivery Man (uncredited) |
| Sound | Dave Grusin | Original Music Composer |
| Art | James Redd | Set Decoration |
| Writing | Richard Levinson | Teleplay |
| Production | Richard Irving | Producer |
| Art | John McCarthy Jr. | Set Decoration |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Writing | William Link | Teleplay |
| Art | Russell Kimball | Art Direction |
| Visual Effects | Robert Brower | Color Designer |
| Directing | Richard Irving | Director |
| Camera | Ray Rennahan | Director of Photography |
| Production | Jerrold Freedman | Associate Producer |
| Production | Edward K. Dodds | Unit Manager |
| Sound | James T. Porter | Sound |
| Costume & Make-Up | Larry Germain | Hairstylist |
| Costume & Make-Up | Burton Miller | Costume Designer |
| Editing | Richard Belding | Supervising Editor |
| Directing | George Bisk | Assistant Director |
| Sound | Stanley Wilson | Music Supervisor |
| Editing | Richard G. Wray | Editor |
