- Country: USA
- Genres: Romance, Western
- Release: 1945-09-15
- Director: Lambert Hillyer
- Writers: Ralph Gilbert Bettison , Victor Hammond , O. Henry , Johnston McCulley
- Language: Spanish | English
- Stars: Duncan Renaldo , Martin Garralaga , Armida , The Guadalajara Trio , George J. Lewis , Lillian Molieri , Francis McDonald , Charles Stevens , Pedro Regas , Soledad Jiménez
- Runtime: 62 min
- Awards: N/A
- AKA: Una aventura amorosa (Mexico) , A Canção da Fronteira (Brazil) , South of the Rio Grande (United States of America) , South of the Rio Grande , South of the Rio Grande (United Kingdom)
- Plot: Miguel Sanches, the operator of a large rancho, has stolen cattle and then had innocent suspects shot. Cisco has been called on for help and arriving finds a wagon under attack. His men drive off the attackers and he finds the victim was to be Sanches' replacement. After changing clothes with the man, Cisco arrives posing as him in a attempt to get evidience against Sanchez.
- IMDB:tt0038106
South of the Rio Grande Cast · · · ALL
Lambert Hillyer
Director
Duncan Renaldo
The Cisco Kid
Martin Garralaga
Pancho
Armida
Pepita
George J. Lewis
Miguel Sanchez
Lillian Molieri
Dolores Gonzalez
Francis McDonald
Torres
Charles Stevens
Sebastian
Pedro Regas
Luis
Soledad Jiménez
Mama Maria
Tito Renaldo
Manuel Gonzalez (uncredited)