Ranch owner MacGregor has seven sons and oldest Gregor leads his brothers to Las Mesas, a small town where they want to sell horses. They get into trouble with local people who are related with evil Santillana. After getting imprisoned and losing their horses they decide to go after Santillana's gang.
Robert WoodsGregor MacGregor
Fernando SanchoMiguel
Agata FloriRosita Carson
Leo AnchórizSantillana
Manuel ZarzoDavid MacGregor
Nazzareno ZamperlaPeter MacGregor
Paolo MagalottiKenneth MacGregorJulio Pérez TaberneroMark MacGregor
Saturno CerraJohnny MacGregor
Alberto Dell'AcquaDick MacGregor
Perla CristalPerlaGeorge RigaudAlastair MacGregorMassimo RighiBandidoFrancesco TensiHarold MacGregorAna María NoéMamie MacGregor
