Director:
George Sherman

Casting:
Jeffrey Hunter,
Arthur Kennedy,
Diana Lorys,

Spain, 1965

Director:
Jesús Franco

Casting:
Ray Danton,
Barbara Bold,
Dante Posani,

Spain, Italy, West Germany, 1967

Director:
Paul Landres

Casting:
Russ Tamblyn,
Kieron Moore,
James Philbrook,

Spain, USA, 1965

Director:
Jorge Feliu José María Font

Casting:
Concha Velasco,
Alfredo Landa,
Antonio Garisa,

Spain, 1966