Lola Flores. Lola Flores was 36 in María de la O as 'María de la O'.
Gustavo Rojo. Gustavo Rojo was 36 in María de la O as 'Don Luís Suárez'.
Manuel Luna. Manuel Luna would have been no older than 61 in María de la O as 'El abuelo Sebastián'.
Antonio González 'El Pescaílla'. Antonio González 'El Pescaílla' was 34 in María de la O as 'Miguel'.
Manuel Arbó. Manuel Arbó was 61 in María de la O as 'Don Antonio'.
Francisco Bernal. Francisco Bernal was 59 in María de la O as 'Matías'.
Pedro Rodríguez de Quevedo. Pedro Rodríguez de Quevedo was >> in María de la O 
Lorenzo Robledo. Lorenzo Robledo was 38 in María de la O 
Marisa Prado. Marisa Prado was 28 in María de la O as 'Mercedes'.Ramón Torrado. Ramón Torrado was 54 in María de la O as 'Director'
Juan Mariné. Juan Mariné was 38 in María de la O as 'Director of Photography'Arturo González. Arturo González was >> in María de la O as 'Assistant Director'Víctor López Iglesias. Víctor López Iglesias was >> in María de la O as 'Assistant Director'Manuel Tamayo Castro. Manuel Tamayo Castro was >> in María de la O as 'Writer'
Cesáreo González. Cesáreo González was 56 in María de la O as 'Producer'María Elena Sáinz de Rozas. María Elena Sáinz de Rozas was >> in María de la O as 'Assistant Editor'Juan Quintero. Juan Quintero was >> in María de la O as 'Music, Conductor'José Echevarría. José Echevarría was >> in María de la O as 'Makeup Artist'Adolfo Cofiño. Adolfo Cofiño was 28 in María de la O as 'Assistant Set Decoration'Mercedes Segura. Mercedes Segura was >> in María de la O as 'Script Supervisor'
Sigfrido Burman. Sigfrido Burman was 67 in María de la O as 'Set Decoration'Juan Francisco Blanco Lavín. Juan Francisco Blanco Lavín was >> in María de la O as 'Production Manager'Francisco Rodríguez Asensio. Francisco Rodríguez Asensio was >> in María de la O as 'Construction Coordinator'Fernando Bernáldez. Fernando Bernáldez was >> in María de la O as 'Sound Engineer'Ángel Sevillano. Ángel Sevillano was >> in María de la O as 'Property Master'Joaquín Frutos. Joaquín Frutos was >> in María de la O as 'Still Photographer'Luis Berraquero. Luis Berraquero was 53 in María de la O as 'Assistant Production Manager'Ángeles Muñoz. Ángeles Muñoz was >> in María de la O as 'Assistant Makeup Artist'Fernando Guillot. Fernando Guillot was >> in María de la O as 'Assistant Camera'
Aurora García Alonso
Félix Briones
Pilar Cansino