Directed by
| Gene Nelson | ||
Writing Credits (in alphabetical order)
| Robert Heverly | ... | (written by) |
Cast (in credits order)
| Efrem Zimbalist Jr. | ... | Inspector Lewis Erskine | |
| Philip Abbott | ... | Arthur Ward | |
| William Reynolds | ... | Special Agent Tom Colby | |
| Carl Betz | ... | Gar Shelton | |
| Brooke Bundy | ... | Melinda Collier | |
| Jeff Bridges | ... | Terry Shelton | |
| Nancy Wickwire | ... | Eve Shelton | |
| John Beck | ... | Harvey Windsor | |
| Marion Thompson | ... | Marjorie Shelton (as Marian Thompson) | |
| Solomon Sturges | ... | Bobby Fleming | |
| Mark Roberts | ... | SAC Murray Davis | |
| Marcella Martin | ... | Ruth Collier | |
| Karen Carlson | ... | Susan | |
 |
Ed Long | ... | Truck Driver |
| Rest of cast listed alphabetically: | |||
| Marvin Miller | ... | Narrator (voice) (uncredited) | |
Produced by
| Quinn Martin | ... | executive producer |
| Philip Saltzman | ... | 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) |
| Walter Coblenz | ... | unit production manager |
| Arthur Fellows | ... | in charge of production |
Music Department
| Bronislau Kaper | ... | composer: theme music (as Bronislaw Kaper) |
Additional Crew
| John Conwell | ... | assistant to executive producer |
| Robert Heverly | ... | story consultant |