Director:
Irving Lerner

Casting:
Robert Shaw,
Christopher Plummer,
Nigel Davenport,

UK, USA, 1969

Director:
Damiano Damiani

Casting:
Gian Maria Volonté,
Klaus Kinski,
Martine Beswick,

Italy, 1966

Director:
León Klimovsky Enzo G. Castellari

Casting:
Anthony Steffen,
Gloria Osuna,
Frank Wolff,

Italy, Spain, 1966

Director:
Rafael Romero Marchent

Casting:
Peter Lee Lawrence,
Alberto de Mendoza,
Pilar Velázquez,

Spain, Italy, 1970

Director:
Umberto Lenzi

Casting:
John Ireland,
Mark Damon,
Mónica Randall,

Italy, Spain, 1968

Director:
Romolo Guerrieri

Casting:
Mark Damon,
Lawrence Dobkin,
Rosalba Neri,

Italy, 1966

Director:
Amando de Ossorio

Casting:
Paul Benson,
Frank Braña,
Helga Liné,

Spain, 1976

Director:
Cesare Canevari

Casting:
Lou Castel,
Corrado Pani,
Antonio Salines,

Spain, Italy, 1970