Cause for Alarm!
- taona: 1951
- Firenena: United States of America
- Genre: Thriller, Drama, Crime
- Studio: Metro-Goldwyn-Mayer
- Keyword: letter, postman, film noir, b movie
- tale: Tay Garnett
- Cast: Loretta Young, Barry Sullivan, Bruce Cowling, Margalo Gillmore, Brad Morrow, Irving Bacon