The Whistle
Movie| Title | The Whistle |
| User score | 4.8 |
| Release date | Apr 8, 1921 |
| Genre | Romance, Drama |
| Director | Lambert Hillyer |
| Production country | United States of America |
| Production companies | William S. Hart Productions |
| Run time | 70 min. |
Robert must avenge his son who was killed in a workplace accident.
