Elena Prim viuda de Villaseñor (played by Libertad Lamarque) is a protagonist in La loca.
Esteban de la Garza (played by Rubén Rojo) appears in La loca.
Ana María (played by Alma Delia Fuentes) appears in La loca.
Señora González de la Cueva (played by Fanny Schiller) appears in La loca.
Paul (played by Alejandro Ciangherotti) appears in La loca.
Doctor González de la Cueva (played by José María Linares Rivas) appears in La loca.
Paciente que no respira (played by Lupe Carriles) appears in La loca.
Señora de Angostura (played by María Gentil Arcos) appears in La loca.
