A rookie assistant DA is assigned to investigate the murder of a longshoreman, killed for exposing gangster involvement on the piers, and meets up with a "code of silence" amongst all potential witnesses.
| Actor | Role |
|---|---|
 Richard EganWilliam Keating | William Keating |
 Jan SterlingMadge Pitts | Madge Pitts |
 Dan DuryeaJohn Jacob Masters | John Jacob Masters |
 Julie AdamsDee | Dee |
 Walter MatthauAl Dahlke | Al Dahlke |
 Charles McGrawLt. Anthony Vosnick | Lt. Anthony Vosnick |
 Sam LeveneHoward Rysdale | Howard Rysdale |
 Mickey ShaughnessySolly Pitts | Solly Pitts |
 Harry BellaverBenjy Karp | Benjy Karp |
 Nick DennisMidget | Midget |
 Joe DowningEddie 'Cockeye' Cook | Eddie 'Cockeye' Cook |
 Ned WeverCaptain Sid Wallace | Captain Sid Wallace |
 Billy M. Greene"Monk" Mohler | "Monk" Mohler |
 John McNamaraJudge | Judge |
 Amzie StricklandMrs. Cavanagh | Mrs. Cavanagh |
 Mickey HargitayBig John | Big John |
 Len LesserSam (Uncredited) | Sam (Uncredited) |