- Country: USA
- Genres: Action, Adventure, Comedy, Drama, Romance
- Release: 1938-01-01
- Director: B. Reeves Eason
- Writers: William Jacobs , Sy Bartlett
- Language: English
- Stars: Ronald Reagan , Mary Maguire , Donald Crisp (I) (1882–1974) , Ben Hendricks Jr. , Max Hoffman Jr. , Emmett Vogan , Tracy Layne , Edmund Cobb , Janet Shaw , Rosella Towne
- Runtime: 57 min
- Awards: N/A
- AKA: Fiel a uno solo (Mexico) , Sergeant Murphy (United States of America) , Sergeant Murphy (United Kingdom) , Sergeant Murphy , Sierzant Murphy (Poland) , Amigos Inseparáveis (Brazil)
- Plot: A horse is offered for sale to the cavalry but is rejected as unfit for service. A cavalry private buys the horse, and trains it to be a champion racer. When he thinks it's ready, he manages to sneak it into England to race in the British Grand National. Based on a true story.
- IMDB:tt0030731
Sergeant Murphy Cast · · · ALL
B. Reeves Eason
Director
Ronald Reagan
Pvt. Dennis Reilley
Mary Maguire
Miss Mary Lou Carruthers
Donald Crisp
(I)
(1882–1974)
Col. Todd Carruthers
Ben Hendricks Jr.
Cpl. Kane
Max Hoffman Jr.
Sergeant Connors
Emmett Vogan
Major Smythe
Tracy Layne
Texas
Edmund Cobb
Gruff's Adjutant
Janet Shaw
Joan Furse
Rosella Towne
Alice Valentine
Joan Valerie
Bess Merrill
Sam McDaniel
Henry H. Henry
William B. Davidson
Maj. Gruff (uncredited)