Directed by
| John Peyser | ||
Writing Credits (in alphabetical order)
| William Spier | ||
Cast (in credits order)
| Robert Stack | ... | Eliot Ness (archive footage) | |
| Rest of cast listed alphabetically: | |||
| Neville Brand | ... | Al Capone (archive footage) | |
 |
Paul Bruce | ... | (archive footage) |
| Richard Carlyle | ... | (archive footage) | |
| Lewis Charles | ... | (archive footage) | |
| Russ Conway | ... | (archive footage) | |
| Abel Fernandez | ... | William Youngfellow (archive footage) | |
| Eddie Firestone | ... | (archive footage) | |
| Nicholas Georgiade | ... | Enrico Rossi (archive footage) | |
| Bruce Gordon | ... | Frank Nitti (archive footage) | |
| John Hoyt | ... | Capone's attorney (archive footage) | |
| Charles Lane | ... | (archive footage) | |
|
|
Frank London | ... | (archive footage) |
| Steve London | ... | Jack Rossman (archive footage) | |
| Gavin MacLeod | ... | (archive footage) | |
| Gregg Palmer | ... | (archive footage) | |
| Paul Picerni | ... | Agent Lee Hobson (archive footage) | |
|
|
Lalo Rios | ... | (archive footage) |
| William Schallert | ... | (archive footage) | |
| Robert F. Simon | ... | (archive footage) | |
| James Westerfield | ... | (archive footage) | |
| Frank Wilcox | ... | U.S. Attorney Beecher Asbury (archive footage) | |
Produced by
| Desi Arnaz | ... | executive producer (uncredited) |
| Lucille Ball | ... | executive producer (uncredited) |
Music by
| Nelson Riddle | ||
| Fred Steiner | ||
