David Bailey as Gregor MacGregor

Agata Flori as Rosita Carson

Alberto Dell'Acqua as Dick MacGregor

Roberto Camardiel as Pa Donovan

Hugo Blanco as David MacGregor

Nazzareno Zamperla as Peter MacGregor

George Rigaud as Alastair MacGregor

Jeff Cameron as Bandit

Francesco Tensi as Harold MacGregor

Julio Pérez Tabernero as Mark MacGregor

Paolo Magalotti as Kenneth MacGregor

Margherita Horowitz as Annie / Jane MacGregor

Ana María Noé as Mamie MacGregor

Leo Anchóriz as Maldonado

Víctor Israel as Trevor

Caterina Trentini as Belfast Donovan

Judith Chapman as Dundalks Donovan

Saturno Cerra as Johnny MacGregor

Fernanda Dell'Acqua as Tralee Donovan