A Letter to Uncle Sam
- Blwyddyn: 1913
- Gwlad: United States of America
- Genre: Drama
- Stiwdio: General Film Company, Edison Studios
- Allweddair: library of congress
- Cyfarwyddwr: C.J. Williams
- Cast: Gertrude McCoy, Elsie MacLeod, Ida Williams, William Bechtel, Robert Brower, Richard Neill
