Secret Service Investigator (1948) — Cast
Cast
| June Storey | Redfern |
| Frank O'Connor | Drinker |
| Charles Sullivan | (uncredited) |
| Lynne Roberts | Lane |
| George Magrill | Police Officer |
| Carole Gallagher | (uncredited) |
| Trevor Bardette | Trevor |
| George Zucco | Otto |
| Roy Barcroft | Turk |
| Jack Overman | Herman |
| Lloyd Bridges | Redfern |
| John Kellogg | Benny |
| James Flavin | Granville Thorndyke |
| Douglas Evans | Service |
| Milton Parsons | Tyrone 'Clean' Miller |
| Tommy Ivo | Teddy |
| Sam McDaniel | Porter |
| Minerva Urecal | Mrs. Dunn |
| William Benedict | Counterman |
| George Douglas | Service |
Crew
| Ira Hoke | Still Photographer |
| John MacBurnie | Director of Photography |
| Nathan Scott | Original Music Composer |
| Sidney Picker | Associate Producer |
| Victor B. Appel | Sound |
| Arthur Roberts | Editor |
| C.B. Lawrence | Grip |
| Joan Eremin | Script Supervisor |
| Bob Mark | Makeup Supervisor |
| Roy Wade | Assistant Director |
| Frank Arrigo | Art Direction |
| Adele Palmer | Costume Design |
| John McCarthy Jr. | Set Decoration |
| Herbert Kirkpatrick | Camera Operator |
| Mort Glickman | Music Director |
| Charles S. Thompson | Set Decoration |
| John K. Butler | Screenplay |
| Lynn Burke | Hairstylist |
| R.G. Springsteen | Director |