Robert Woods
Role: Gregor MacGregor
Fernando Sancho
Role: Miguel
Agata Flori
Role: Rosita Carson
Leo Anchóriz
Role: Santillana
Manuel Zarzo
Role: David MacGregor
Nazzareno Zamperla
Role: Peter MacGregor
Paolo Magalotti
Role: Kenneth MacGregor
Julio Pérez Tabernero
Role: Mark MacGregor
Saturno Cerra
Role: Johnny MacGregor
Alberto Dell'Acqua
Role: Dick MacGregor
George Rigaud
Role: Alastair MacGregor
Massimo Righi
Role: Bandido
Francesco Tensi
Role: Harold MacGregor
Ana María Noé
Role: Mamie MacGregor
Margherita Horowitz
Role: Annie MacGregor
Rafael Bardem
Role: Judge Garland
Antonio Molino Rojo
Role: Sheriff John F. Mason
Cris Huerta
Role: Crawford
Pierre Cressoy
Role: Bandido
Manuel Bermúdez 'Boliche'
Role: Santillana Henchman (uncredited)
Xan das Bolas
Role: Barman (uncredited)
Rafael Hernández
Role: Barman (uncredited)
Antonio Iranzo
Role: Bandido (uncredited)
Víctor Israel
Role: Pianist (uncredited)
José Luis Lluch
Role: Bandido (uncredited)
Ángel Menéndez
Role: Banquero (uncredited)
Guillermo Méndez
Role: Bandido (uncredited)
Nazzareno Natale
Role: Bandido (uncredited)
Antonio Orengo
Role: Horse Seller (uncredited)
Antonio Padilla
Role: Bandido (uncredited)
Joaquín Parra
Role: Santillana Henchman (uncredited)
José Riesgo
Role: Carcelero (uncredited)
Leonardo Scavino
Role: Bank Director (uncredited)
Pilar Truchado
Role: Barbara (uncredited)
Antonio Montoya
Role: Santillana Henchman (uncredited)