Directed by
| Howard W. Koch | ||
Writing Credits (in alphabetical order)
| William Spier | ||
Cast (in credits order)
| Robert Stack | ... | Eliot Ness (archive footage) | |
| Joe Mantell | ... | Giuseppe 'Joe' Zangara (archive footage) | |
| Robert Middleton | ... | Mayor Anton J. Cermak (archive footage) | |
| Rest of cast listed alphabetically: | |||
| Claude Akins | ... | Jake "Dodo" Ryan (archive footage) (uncredited) | |
| Robert Anderson | ... | Miami Police Chief (archive footage) (uncredited) | |
| Eleanor Audley | ... | Mrs. Cross (archive footage) (uncredited) | |
 |
Ted Berger | ... | Roley Sutton (archive footage) (uncredited) |
| Argentina Brunetti | ... | Mrs. Swoboda (archive footage) (uncredited) | |
| John Daheim | ... | Tom A. Jansen (archive footage) (uncredited) | |
| Frankie Darro | ... | News Vendor (archive footage) (uncredited) | |
| Richard Deacon | ... | Bill Skidmore (archive footage) (uncredited) | |
| Frank DeKova | ... | Louis 'Little New York' Campagna (archive footage) (uncredited) | |
| Abel Fernandez | ... | William Youngfellow (archive footage) (uncredited) | |
| Paul Frees | ... | Radio Announcer / Franklin D. Roosevelt (archive sound) (uncredited) | |
| Anthony George | ... | Agent Cam Allison (archive footage) (uncredited) | |
| Nicholas Georgiade | ... | Enrico Rossi (archive footage) (uncredited) | |
| Sam Gilman | ... | Detective Barney Kyle (archive footage) (uncredited) | |
| Robert Gist | ... | Fred 'Caddy' Kroner (archive footage) (uncredited) | |
| Bruce Gordon | ... | Frank Nitti (archive footage) (uncredited) | |
| Percy Helton | ... | Jocko Monaghan (archive footage) (uncredited) | |
| Sterling Holloway | ... | Horace De Vilbill (archive footage) (uncredited) | |
| Ray Kellogg | ... | Geller (archive footage) (uncredited) | |
| Steve London | ... | Jack Rossman (archive footage) (uncredited) | |
| George N. Neise | ... | Ira Peterson (archive footage) (uncredited) | |
| Addison Richards | ... | Mayor Roy B. Gautier (archive footage) (uncredited) | |
| Barry Russo | ... | Milwaukee Minelli (archive footage) (uncredited) | |
|
|
Sally Todd | ... | Sally Jensen (archive footage) (uncredited) |
| Lee Van Cleef | ... | Frank Diamond (archive footage) (uncredited) | |
| Charles Watts | ... | Convention Organizer (archive footage) (uncredited) | |
| Dick Whittinghill | ... | Earl Forrest (archive footage) (uncredited) | |
| Walter Winchell | ... | Narrator (archive sound) (uncredited) | |
Produced by
| Desi Arnaz | ... | executive producer (uncredited) |
| Lucille Ball | ... | executive producer (uncredited) |
| Quinn Martin | ... | executive producer |
| Josef Shaftel | ... | producer |
Music by
| Nelson Riddle | ||
Cinematography by
| Charles Stradner | ... | director of photography |
Casting By
| Kerwin Coughlin | ||
Set Decoration by
| Sandy Grace | ||
Makeup Department
| Irene Beshon | ... | hair stylist |
| Kiva Hoffman | ... | makeup artist |
Production Management
| Lloyd Richards | ... | production manager |
Second Unit Director or Assistant Director
| Sergei Petschnikoff | ... | assistant director |
Sound Department
| Joseph G. Sorokin | ... | sound editor |
| T.T. Triplett | ... | sound engineer |
Editorial Department
| Bill Heath | ... | supervising editor |
Music Department
| Ted Roberts | ... | music supervisor |
