Directed by
| Robert Day | ||
Writing Credits (in alphabetical order)
| Charles Larson | ... | (written by) |
Cast (in credits order)
| Efrem Zimbalist Jr. | ... | Inspector Lewis Erskine | |
| Philip Abbott | ... | Arthur Ward | |
| William Reynolds | ... | Special Agent Tom Colby | |
| Steve Ihnat | ... | Frank Welles | |
| Joan Van Ark | ... | Eleanor O'Keefe | |
| Ina Balin | ... | Katina Elyti | |
| Simon Oakland | ... | Nikos Kapralos | |
| John Kerr | ... | SAC William Converse | |
| Jonathan Goldsmith | ... | Dave Flagg (as Jonathan Lippe) | |
 |
Jerry Ayres | ... | Mike O'Dell |
| James Brown | ... | Thompson | |
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Joe Lo Presti | ... | Manos Antonopolous |
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Pat Patterson | ... | Gilman |
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Guy Remsen | ... | Special Agent |
| Rest of cast listed alphabetically: | |||
| Marvin Miller | ... | Narrator (voice) (uncredited) | |
Produced by
| Charles Larson | ... | producer |
| Quinn Martin | ... | executive producer |
| Adrian Samish | ... | supervising producer |
| Mark Weingart | ... | associate producer |
Cinematography by
| William W. Spencer | ||
Art Direction by
| Richard Y. Haman | ||
Production Management
| Howard P. Alston | ... | production manager (as Howard Alston) |
| Arthur Fellows | ... | in charge of production |
| Dick Gallegly | ... | unit production manager |
Second Unit Director or Assistant Director
| Carl Barth | ... | second unit director |
Music Department
| Bronislau Kaper | ... | composer: theme music (as Bronislaw Kaper) |
Additional Crew
| John Conwell | ... | assistant to executive producer |