Duncan Renaldo. Duncan Renaldo was 41 in South of the Rio Grande as 'The Cisco Kid'.
Martín Garralaga. Martín Garralaga was 50 in South of the Rio Grande as 'Pancho'.
Armida. Armida was 34 in South of the Rio Grande as 'Pepita'.
George J. Lewis. George J. Lewis was 41 in South of the Rio Grande as 'Miguel Sanchez'.
Lillian Molieri. Lillian Molieri was 20 in South of the Rio Grande as 'Dolores Gonzalez'.
Francis McDonald. Francis McDonald was 54 in South of the Rio Grande as 'Torres'.
Charles Stevens. Charles Stevens was 52 in South of the Rio Grande as 'Sebastian'.
Pedro Regas. Pedro Regas was 48 in South of the Rio Grande as 'Luis'.
Soledad Jiménez. Soledad Jiménez was 70 in South of the Rio Grande as 'Mama Maria'.
Tito Renaldo. Tito Renaldo was >> in South of the Rio Grande as 'Manuel Gonzalez (uncredited)'.
Lambert Hillyer. Lambert Hillyer was 56 in South of the Rio Grande as 'Director'William A. Sickner. William A. Sickner was 54 in South of the Rio Grande as 'Director of Photography'Ralph Gilbert Bettison. Ralph Gilbert Bettison was >> in South of the Rio Grande as 'Writer'Victor Hammond. Victor Hammond was >> in South of the Rio Grande as 'Writer'Philip N. Krasne. Philip N. Krasne was >> in South of the Rio Grande as 'Producer'William Austin. William Austin was 42 in South of the Rio Grande as 'Editor'Johnston McCulley. Johnston McCulley was 62 in South of the Rio Grande as 'Story'
O. Henry. O. Henry would have been no older than 47 in South of the Rio Grande as 'Characters'Glen Glenn. Glen Glenn was 37 in South of the Rio Grande as 'Sound'Dave Milton. Dave Milton was 57 in South of the Rio Grande as 'Art Direction'