Private Detective (1939) — Cast
Cast
| Selmer Jackson | Simmy |
| Maxie Rosenbloom | Marcus Brody |
| Joseph Crehan | Murphy |
| Frank Mayo | Lawyer |
| Morgan Conway | Flavin |
| Alice Connors | Stenographer |
| John Eldredge | Lannon |
| Willie Best | Valet |
| Julie Stevens | Elsie Beckmann |
| Jack Wise | (uncredited) |
| Cyril Ring | (uncredited) |
| Leo White | (uncredited) |
| Maris Wrixon | (uncredited) |
| Jane Wyman | Myrna |
| Frank Dae | Jas |
| William B. Davidson | Evans |
| John Deering | (uncredited) |
| Gloria Dickson | Lannon |
| Vera Lewis | Mrs. Dunn |
| John Ridgely | Norton |
| Sol Gorss | (uncredited) |
| Dick Foran | Rickey |
| Dick Rich | Chick |
| Frank Fanning | Policeman |
| Jack Mower | Dolan |
| Sally Sage | (uncredited) |
| Henry Blair | Lannon |
| Jean Maddox | (uncredited) |
| Al Herman | Palace |
| Leo Gorcey | Newsboy |
Crew
| Jack L. Warner | Executive Producer |
| Howard Shoup | Costume Design |
| Ted D. McCord | Director of Photography |
| Earle Snell | Screenplay |
| Raymond L. Schrock | Screenplay |
| Noel M. Smith | Director |
| Rex Dunn | Original Music Composer |
| Francis J. Scheid | Sound |
| Lee Hugunin | Unit Manager |
| Hal B. Wallis | Executive Producer |
| Kay Krausse | Story |
| William Kissell | Assistant Director |
| Stanley Fleischer | Art Direction |
| Harold McLernon | Editor |
| Bryan Foy | Producer |