Directed by
| Robert Day | ||
Writing Credits
| Michael Fisher | ... | (written by) |
Cast (in credits order)
| Efrem Zimbalist Jr. | ... | Inspector Lewis Erskine | |
| Philip Abbott | ... | Arthur Ward | |
| William Reynolds | ... | Special Agent Tom Colby | |
| William Smithers | ... | Frank William Stocker | |
| Nan Martin | ... | Susan Crane | |
| Roger Perry | ... | David Joseph Miles | |
| Hal Holbrook | ... | Christopher Simes | |
| Wesley Addy | ... | Jock Mitchell | |
 |
Ellen Weston | ... | Ruth Miles |
| Noah Keen | ... | Nicholas Allen | |
| John Anthony Hayes | ... | SAC Warren Sloan (as Anthony Hayes) | |
| Roy Engel | ... | Paulie Hoff | |
| Walter Mathews | ... | Lawyer | |
|
|
John Mayo | ... | Todd Elkton |
| 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 | ... | director of photography |
Editing by
| Jerry Young | ||
Art Direction by
| Richard Y. Haman | ||
Set Decoration by
| Hoyle Barrett | ||
Production Management
| Howard P. Alston | ... | production manager (as Howard Alston) |
| Arthur Fellows | ... | executive in charge of production |
| Dick Gallegly | ... | unit production manager |
Second Unit Director or Assistant Director
| Paul Wurtzel | ... | assistant director |
Music Department
| Bronislau Kaper | ... | composer: theme music |
Additional Crew
| John Conwell | ... | assistant to executive producer |