Mary Ryan, Detective
Movie| Title | Mary Ryan, Detective |
| User score | 5.2 |
| Release date | Nov 3, 1949 |
| Genre | Crime, Mystery, Action, Adventure |
| Director | Abby Berlin |
| Production country | United States of America |
| Production companies | Columbia Pictures |
| Run time | 68 min. |
A female police detective enters jail to gain the confidence of a shoplifter and learn the identity of the leader of a stolen goods racket.
